77435440

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{13633}}^1$

素因数の和:13717

約数の個数: 40

約数和(自身を含む): 182586528

約数和(自身を除く): 105151088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 13633, 27266, 54532, 68165, 109064, 136330, 218128, 272660, 545320, 967943, 1090640, 1935886, 3871772, 4839715, 7743544, 9679430, 15487088, 19358860, 38717720, 77435440]

約数ペア:

[(1, 77435440), (2, 38717720), (4, 19358860), (5, 15487088), (8, 9679430), (10, 7743544), (16, 4839715), (20, 3871772), (40, 1935886), (71, 1090640), (80, 967943), (142, 545320), (284, 272660), (355, 218128), (568, 136330), (710, 109064), (1136, 68165), (1420, 54532), (2840, 27266), (5680, 13633)]