89111840

素因数分解:

$2^5\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1069}}^1$

素因数の和:1605

約数の個数: 48

約数和(自身を含む): 211128120

約数和(自身を除く): 122016280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 521, 1042, 1069, 2084, 2138, 2605, 4168, 4276, 5210, 5345, 8336, 8552, 10420, 10690, 16672, 17104, 20840, 21380, 34208, 41680, 42760, 83360, 85520, 171040, 556949, 1113898, 2227796, 2784745, 4455592, 5569490, 8911184, 11138980, 17822368, 22277960, 44555920, 89111840]

約数ペア:

[(1, 89111840), (2, 44555920), (4, 22277960), (5, 17822368), (8, 11138980), (10, 8911184), (16, 5569490), (20, 4455592), (32, 2784745), (40, 2227796), (80, 1113898), (160, 556949), (521, 171040), (1042, 85520), (1069, 83360), (2084, 42760), (2138, 41680), (2605, 34208), (4168, 21380), (4276, 20840), (5210, 17104), (5345, 16672), (8336, 10690), (8552, 10420)]