8166530840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{1493}}^1$

素因数の和:1741

約数の個数: 128

約数和(自身を含む): 20224935360

約数和(自身を除く): 12058404520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 157, 260, 268, 314, 335, 520, 536, 628, 670, 785, 871, 1256, 1340, 1493, 1570, 1742, 2041, 2680, 2986, 3140, 3484, 4082, 4355, 5972, 6280, 6968, 7465, 8164, 8710, 10205, 10519, 11944, 14930, 16328, 17420, 19409, 20410, 21038, 29860, 34840, 38818, 40820, 42076, 52595, 59720, 77636, 81640, 84152, 97045, 100031, 105190, 136747, 155272, 194090, 200062, 210380, 234401, 273494, 388180, 400124, 420760, 468802, 500155, 546988, 683735, 776360, 800248, 937604, 1000310, 1093976, 1172005, 1300403, 1367470, 1875208, 2000620, 2344010, 2600806, 2734940, 3047213, 4001240, 4688020, 5201612, 5469880, 6094426, 6502015, 9376040, 10403224, 12188852, 13004030, 15236065, 15704867, 24377704, 26008060, 30472130, 31409734, 52016120, 60944260, 62819468, 78524335, 121888520, 125638936, 157048670, 204163271, 314097340, 408326542, 628194680, 816653084, 1020816355, 1633306168, 2041632710, 4083265420, 8166530840]

約数ペア:

[(1, 8166530840), (2, 4083265420), (4, 2041632710), (5, 1633306168), (8, 1020816355), (10, 816653084), (13, 628194680), (20, 408326542), (26, 314097340), (40, 204163271), (52, 157048670), (65, 125638936), (67, 121888520), (104, 78524335), (130, 62819468), (134, 60944260), (157, 52016120), (260, 31409734), (268, 30472130), (314, 26008060), (335, 24377704), (520, 15704867), (536, 15236065), (628, 13004030), (670, 12188852), (785, 10403224), (871, 9376040), (1256, 6502015), (1340, 6094426), (1493, 5469880), (1570, 5201612), (1742, 4688020), (2041, 4001240), (2680, 3047213), (2986, 2734940), (3140, 2600806), (3484, 2344010), (4082, 2000620), (4355, 1875208), (5972, 1367470), (6280, 1300403), (6968, 1172005), (7465, 1093976), (8164, 1000310), (8710, 937604), (10205, 800248), (10519, 776360), (11944, 683735), (14930, 546988), (16328, 500155), (17420, 468802), (19409, 420760), (20410, 400124), (21038, 388180), (29860, 273494), (34840, 234401), (38818, 210380), (40820, 200062), (42076, 194090), (52595, 155272), (59720, 136747), (77636, 105190), (81640, 100031), (84152, 97045)]