10989640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{6701}}^1$

素因数の和:6753

約数の個数: 32

約数和(自身を含む): 25333560

約数和(自身を除く): 14343920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 6701, 13402, 26804, 33505, 53608, 67010, 134020, 268040, 274741, 549482, 1098964, 1373705, 2197928, 2747410, 5494820, 10989640]

約数ペア:

[(1, 10989640), (2, 5494820), (4, 2747410), (5, 2197928), (8, 1373705), (10, 1098964), (20, 549482), (40, 274741), (41, 268040), (82, 134020), (164, 67010), (205, 53608), (328, 33505), (410, 26804), (820, 13402), (1640, 6701)]