70445240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{28871}}^1$

素因数の和:28943

約数の個数: 32

約数和(自身を含む): 161105760

約数和(自身を除く): 90660520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 28871, 57742, 115484, 144355, 230968, 288710, 577420, 1154840, 1761131, 3522262, 7044524, 8805655, 14089048, 17611310, 35222620, 70445240]

約数ペア:

[(1, 70445240), (2, 35222620), (4, 17611310), (5, 14089048), (8, 8805655), (10, 7044524), (20, 3522262), (40, 1761131), (61, 1154840), (122, 577420), (244, 288710), (305, 230968), (488, 144355), (610, 115484), (1220, 57742), (2440, 28871)]