168595880

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{30323}}^1$

素因数の和:30473

約数の個数: 32

約数和(自身を含む): 382082400

約数和(自身を除く): 213486520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 30323, 60646, 121292, 151615, 242584, 303230, 606460, 1212920, 4214897, 8429794, 16859588, 21074485, 33719176, 42148970, 84297940, 168595880]

約数ペア:

[(1, 168595880), (2, 84297940), (4, 42148970), (5, 33719176), (8, 21074485), (10, 16859588), (20, 8429794), (40, 4214897), (139, 1212920), (278, 606460), (556, 303230), (695, 242584), (1112, 151615), (1390, 121292), (2780, 60646), (5560, 30323)]