66685840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1733}}^1$

素因数の和:1796

約数の個数: 80

約数和(自身を含む): 171582768

約数和(自身を除く): 104896928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1480, 1733, 1924, 2405, 2960, 3466, 3848, 4810, 6932, 7696, 8665, 9620, 13864, 17330, 19240, 22529, 27728, 34660, 38480, 45058, 64121, 69320, 90116, 112645, 128242, 138640, 180232, 225290, 256484, 320605, 360464, 450580, 512968, 641210, 833573, 901160, 1025936, 1282420, 1667146, 1802320, 2564840, 3334292, 4167865, 5129680, 6668584, 8335730, 13337168, 16671460, 33342920, 66685840]

約数ペア:

[(1, 66685840), (2, 33342920), (4, 16671460), (5, 13337168), (8, 8335730), (10, 6668584), (13, 5129680), (16, 4167865), (20, 3334292), (26, 2564840), (37, 1802320), (40, 1667146), (52, 1282420), (65, 1025936), (74, 901160), (80, 833573), (104, 641210), (130, 512968), (148, 450580), (185, 360464), (208, 320605), (260, 256484), (296, 225290), (370, 180232), (481, 138640), (520, 128242), (592, 112645), (740, 90116), (962, 69320), (1040, 64121), (1480, 45058), (1733, 38480), (1924, 34660), (2405, 27728), (2960, 22529), (3466, 19240), (3848, 17330), (4810, 13864), (6932, 9620), (7696, 8665)]