40787344

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1249}}^1$

素因数の和:1427

約数の個数: 40

約数和(自身を含む): 85715000

約数和(自身を除く): 44927656

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 157, 208, 314, 628, 1249, 1256, 2041, 2498, 2512, 4082, 4996, 8164, 9992, 16237, 16328, 19984, 32474, 32656, 64948, 129896, 196093, 259792, 392186, 784372, 1568744, 2549209, 3137488, 5098418, 10196836, 20393672, 40787344]

約数ペア:

[(1, 40787344), (2, 20393672), (4, 10196836), (8, 5098418), (13, 3137488), (16, 2549209), (26, 1568744), (52, 784372), (104, 392186), (157, 259792), (208, 196093), (314, 129896), (628, 64948), (1249, 32656), (1256, 32474), (2041, 19984), (2498, 16328), (2512, 16237), (4082, 9992), (4996, 8164)]