55615820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{523}}^1$

素因数の和:954

約数の個数: 48

約数和(自身を含む): 126325920

約数和(自身を除く): 70710100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 409, 523, 818, 1046, 1636, 2045, 2092, 2615, 4090, 5230, 5317, 6799, 8180, 10460, 10634, 13598, 21268, 26585, 27196, 33995, 53170, 67990, 106340, 135980, 213907, 427814, 855628, 1069535, 2139070, 2780791, 4278140, 5561582, 11123164, 13903955, 27807910, 55615820]

約数ペア:

[(1, 55615820), (2, 27807910), (4, 13903955), (5, 11123164), (10, 5561582), (13, 4278140), (20, 2780791), (26, 2139070), (52, 1069535), (65, 855628), (130, 427814), (260, 213907), (409, 135980), (523, 106340), (818, 67990), (1046, 53170), (1636, 33995), (2045, 27196), (2092, 26585), (2615, 21268), (4090, 13598), (5230, 10634), (5317, 10460), (6799, 8180)]