64664860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3407}}^1$

素因数の和:3502

約数の個数: 48

約数和(自身を含む): 148288896

約数和(自身を除く): 83624036

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3407, 3796, 4745, 6814, 9490, 13628, 17035, 18980, 34070, 44291, 68140, 88582, 177164, 221455, 248711, 442910, 497422, 885820, 994844, 1243555, 2487110, 3233243, 4974220, 6466486, 12932972, 16166215, 32332430, 64664860]

約数ペア:

[(1, 64664860), (2, 32332430), (4, 16166215), (5, 12932972), (10, 6466486), (13, 4974220), (20, 3233243), (26, 2487110), (52, 1243555), (65, 994844), (73, 885820), (130, 497422), (146, 442910), (260, 248711), (292, 221455), (365, 177164), (730, 88582), (949, 68140), (1460, 44291), (1898, 34070), (3407, 18980), (3796, 17035), (4745, 13628), (6814, 9490)]