55321240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{557}}^1$

素因数の和:772

約数の個数: 64

約数和(自身を含む): 134991360

約数和(自身を除く): 79670120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 191, 260, 382, 520, 557, 764, 955, 1114, 1528, 1910, 2228, 2483, 2785, 3820, 4456, 4966, 5570, 7241, 7640, 9932, 11140, 12415, 14482, 19864, 22280, 24830, 28964, 36205, 49660, 57928, 72410, 99320, 106387, 144820, 212774, 289640, 425548, 531935, 851096, 1063870, 1383031, 2127740, 2766062, 4255480, 5532124, 6915155, 11064248, 13830310, 27660620, 55321240]

約数ペア:

[(1, 55321240), (2, 27660620), (4, 13830310), (5, 11064248), (8, 6915155), (10, 5532124), (13, 4255480), (20, 2766062), (26, 2127740), (40, 1383031), (52, 1063870), (65, 851096), (104, 531935), (130, 425548), (191, 289640), (260, 212774), (382, 144820), (520, 106387), (557, 99320), (764, 72410), (955, 57928), (1114, 49660), (1528, 36205), (1910, 28964), (2228, 24830), (2483, 22280), (2785, 19864), (3820, 14482), (4456, 12415), (4966, 11140), (5570, 9932), (7241, 7640)]