28532920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1483}}^1$

素因数の和:1544

約数の個数: 64

約数和(自身を含む): 71053920

約数和(自身を除く): 42521000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1483, 1924, 2405, 2966, 3848, 4810, 5932, 7415, 9620, 11864, 14830, 19240, 19279, 29660, 38558, 54871, 59320, 77116, 96395, 109742, 154232, 192790, 219484, 274355, 385580, 438968, 548710, 713323, 771160, 1097420, 1426646, 2194840, 2853292, 3566615, 5706584, 7133230, 14266460, 28532920]

約数ペア:

[(1, 28532920), (2, 14266460), (4, 7133230), (5, 5706584), (8, 3566615), (10, 2853292), (13, 2194840), (20, 1426646), (26, 1097420), (37, 771160), (40, 713323), (52, 548710), (65, 438968), (74, 385580), (104, 274355), (130, 219484), (148, 192790), (185, 154232), (260, 109742), (296, 96395), (370, 77116), (481, 59320), (520, 54871), (740, 38558), (962, 29660), (1480, 19279), (1483, 19240), (1924, 14830), (2405, 11864), (2966, 9620), (3848, 7415), (4810, 5932)]