872196280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{531827}}^1$

素因数の和:531879

約数の個数: 32

約数和(自身を含む): 2010309840

約数和(自身を除く): 1138113560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 531827, 1063654, 2127308, 2659135, 4254616, 5318270, 10636540, 21273080, 21804907, 43609814, 87219628, 109024535, 174439256, 218049070, 436098140, 872196280]

約数ペア:

[(1, 872196280), (2, 436098140), (4, 218049070), (5, 174439256), (8, 109024535), (10, 87219628), (20, 43609814), (40, 21804907), (41, 21273080), (82, 10636540), (164, 5318270), (205, 4254616), (328, 2659135), (410, 2127308), (820, 1063654), (1640, 531827)]