89990560

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{51131}}^1$

素因数の和:51157

約数の個数: 48

約数和(自身を含む): 231934752

約数和(自身を除く): 141944192

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 51131, 102262, 204524, 255655, 409048, 511310, 562441, 818096, 1022620, 1124882, 1636192, 2045240, 2249764, 2812205, 4090480, 4499528, 5624410, 8180960, 8999056, 11248820, 17998112, 22497640, 44995280, 89990560]

約数ペア:

[(1, 89990560), (2, 44995280), (4, 22497640), (5, 17998112), (8, 11248820), (10, 8999056), (11, 8180960), (16, 5624410), (20, 4499528), (22, 4090480), (32, 2812205), (40, 2249764), (44, 2045240), (55, 1636192), (80, 1124882), (88, 1022620), (110, 818096), (160, 562441), (176, 511310), (220, 409048), (352, 255655), (440, 204524), (880, 102262), (1760, 51131)]