55494140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3499}}^1$

素因数の和:3582

約数の個数: 48

約数和(自身を含む): 127596000

約数和(自身を除く): 72101860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3499, 3965, 6998, 7930, 13996, 15860, 17495, 34990, 45487, 69980, 90974, 181948, 213439, 227435, 426878, 454870, 853756, 909740, 1067195, 2134390, 2774707, 4268780, 5549414, 11098828, 13873535, 27747070, 55494140]

約数ペア:

[(1, 55494140), (2, 27747070), (4, 13873535), (5, 11098828), (10, 5549414), (13, 4268780), (20, 2774707), (26, 2134390), (52, 1067195), (61, 909740), (65, 853756), (122, 454870), (130, 426878), (244, 227435), (260, 213439), (305, 181948), (610, 90974), (793, 69980), (1220, 45487), (1586, 34990), (3172, 17495), (3499, 15860), (3965, 13996), (6998, 7930)]