90512840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{18701}}^1$

素因数の和:18734

約数の個数: 48

約数和(自身を含む): 223862940

約数和(自身を除く): 133350100

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 18701, 37402, 74804, 93505, 149608, 187010, 205711, 374020, 411422, 748040, 822844, 1028555, 1645688, 2057110, 2262821, 4114220, 4525642, 8228440, 9051284, 11314105, 18102568, 22628210, 45256420, 90512840]

約数ペア:

[(1, 90512840), (2, 45256420), (4, 22628210), (5, 18102568), (8, 11314105), (10, 9051284), (11, 8228440), (20, 4525642), (22, 4114220), (40, 2262821), (44, 2057110), (55, 1645688), (88, 1028555), (110, 822844), (121, 748040), (220, 411422), (242, 374020), (440, 205711), (484, 187010), (605, 149608), (968, 93505), (1210, 74804), (2420, 37402), (4840, 18701)]