85577240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{305633}}^1$

素因数の和:305651

約数の個数: 32

約数和(自身を含む): 220056480

約数和(自身を除く): 134479240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 305633, 611266, 1222532, 1528165, 2139431, 2445064, 3056330, 4278862, 6112660, 8557724, 10697155, 12225320, 17115448, 21394310, 42788620, 85577240]

約数ペア:

[(1, 85577240), (2, 42788620), (4, 21394310), (5, 17115448), (7, 12225320), (8, 10697155), (10, 8557724), (14, 6112660), (20, 4278862), (28, 3056330), (35, 2445064), (40, 2139431), (56, 1528165), (70, 1222532), (140, 611266), (280, 305633)]