39639880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2113}}^1$

素因数の和:2198

約数の個数: 64

約数和(自身を含む): 103501440

約数和(自身を除く): 63861560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 469, 536, 670, 938, 1340, 1876, 2113, 2345, 2680, 3752, 4226, 4690, 8452, 9380, 10565, 14791, 16904, 18760, 21130, 29582, 42260, 59164, 73955, 84520, 118328, 141571, 147910, 283142, 295820, 566284, 591640, 707855, 990997, 1132568, 1415710, 1981994, 2831420, 3963988, 4954985, 5662840, 7927976, 9909970, 19819940, 39639880]

約数ペア:

[(1, 39639880), (2, 19819940), (4, 9909970), (5, 7927976), (7, 5662840), (8, 4954985), (10, 3963988), (14, 2831420), (20, 1981994), (28, 1415710), (35, 1132568), (40, 990997), (56, 707855), (67, 591640), (70, 566284), (134, 295820), (140, 283142), (268, 147910), (280, 141571), (335, 118328), (469, 84520), (536, 73955), (670, 59164), (938, 42260), (1340, 29582), (1876, 21130), (2113, 18760), (2345, 16904), (2680, 14791), (3752, 10565), (4226, 9380), (4690, 8452)]