39947960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4519}}^1$

素因数の和:4560

約数の個数: 64

約数和(自身を含む): 102513600

約数和(自身を除く): 62565640

約数列:

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

約数ペア:

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