40861240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{145933}}^1$

素因数の和:145951

約数の個数: 32

約数和(自身を含む): 105072480

約数和(自身を除く): 64211240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 145933, 291866, 583732, 729665, 1021531, 1167464, 1459330, 2043062, 2918660, 4086124, 5107655, 5837320, 8172248, 10215310, 20430620, 40861240]

約数ペア:

[(1, 40861240), (2, 20430620), (4, 10215310), (5, 8172248), (7, 5837320), (8, 5107655), (10, 4086124), (14, 2918660), (20, 2043062), (28, 1459330), (35, 1167464), (40, 1021531), (56, 729665), (70, 583732), (140, 291866), (280, 145933)]