98891480

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{11717}}^1$

素因数の和:11939

約数の個数: 32

約数和(自身を含む): 223579440

約数和(自身を除く): 124687960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 11717, 23434, 46868, 58585, 93736, 117170, 234340, 468680, 2472287, 4944574, 9889148, 12361435, 19778296, 24722870, 49445740, 98891480]

約数ペア:

[(1, 98891480), (2, 49445740), (4, 24722870), (5, 19778296), (8, 12361435), (10, 9889148), (20, 4944574), (40, 2472287), (211, 468680), (422, 234340), (844, 117170), (1055, 93736), (1688, 58585), (2110, 46868), (4220, 23434), (8440, 11717)]