157073720

素因数分解:

$2^3\times 5^1\times {\mathrm{821}}^1\times {\mathrm{4783}}^1$

素因数の和:5615

約数の個数: 32

約数和(自身を含む): 353920320

約数和(自身を除く): 196846600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 821, 1642, 3284, 4105, 4783, 6568, 8210, 9566, 16420, 19132, 23915, 32840, 38264, 47830, 95660, 191320, 3926843, 7853686, 15707372, 19634215, 31414744, 39268430, 78536860, 157073720]

約数ペア:

[(1, 157073720), (2, 78536860), (4, 39268430), (5, 31414744), (8, 19634215), (10, 15707372), (20, 7853686), (40, 3926843), (821, 191320), (1642, 95660), (3284, 47830), (4105, 38264), (4783, 32840), (6568, 23915), (8210, 19132), (9566, 16420)]