79895920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4519}}^1$

素因数の和:4562

約数の個数: 80

約数和(自身を含む): 211861440

約数和(自身を除く): 131965520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 4519, 8840, 9038, 17680, 18076, 22595, 36152, 45190, 58747, 72304, 76823, 90380, 117494, 153646, 180760, 234988, 293735, 307292, 361520, 384115, 469976, 587470, 614584, 768230, 939952, 998699, 1174940, 1229168, 1536460, 1997398, 2349880, 3072920, 3994796, 4699760, 4993495, 6145840, 7989592, 9986990, 15979184, 19973980, 39947960, 79895920]

約数ペア:

[(1, 79895920), (2, 39947960), (4, 19973980), (5, 15979184), (8, 9986990), (10, 7989592), (13, 6145840), (16, 4993495), (17, 4699760), (20, 3994796), (26, 3072920), (34, 2349880), (40, 1997398), (52, 1536460), (65, 1229168), (68, 1174940), (80, 998699), (85, 939952), (104, 768230), (130, 614584), (136, 587470), (170, 469976), (208, 384115), (221, 361520), (260, 307292), (272, 293735), (340, 234988), (442, 180760), (520, 153646), (680, 117494), (884, 90380), (1040, 76823), (1105, 72304), (1360, 58747), (1768, 45190), (2210, 36152), (3536, 22595), (4420, 18076), (4519, 17680), (8840, 9038)]