20359599280

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1249}}^1\times {\mathrm{5507}}^1$

素因数の和:6806

約数の個数: 80

約数和(自身を含む): 48663180000

約数和(自身を除く): 28303580720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1249, 1480, 2498, 2960, 4996, 5507, 6245, 9992, 11014, 12490, 19984, 22028, 24980, 27535, 44056, 46213, 49960, 55070, 88112, 92426, 99920, 110140, 184852, 203759, 220280, 231065, 369704, 407518, 440560, 462130, 739408, 815036, 924260, 1018795, 1630072, 1848520, 2037590, 3260144, 3697040, 4075180, 6878243, 8150360, 13756486, 16300720, 27512972, 34391215, 55025944, 68782430, 110051888, 137564860, 254494991, 275129720, 508989982, 550259440, 1017979964, 1272474955, 2035959928, 2544949910, 4071919856, 5089899820, 10179799640, 20359599280]

約数ペア:

[(1, 20359599280), (2, 10179799640), (4, 5089899820), (5, 4071919856), (8, 2544949910), (10, 2035959928), (16, 1272474955), (20, 1017979964), (37, 550259440), (40, 508989982), (74, 275129720), (80, 254494991), (148, 137564860), (185, 110051888), (296, 68782430), (370, 55025944), (592, 34391215), (740, 27512972), (1249, 16300720), (1480, 13756486), (2498, 8150360), (2960, 6878243), (4996, 4075180), (5507, 3697040), (6245, 3260144), (9992, 2037590), (11014, 1848520), (12490, 1630072), (19984, 1018795), (22028, 924260), (24980, 815036), (27535, 739408), (44056, 462130), (46213, 440560), (49960, 407518), (55070, 369704), (88112, 231065), (92426, 220280), (99920, 203759), (110140, 184852)]