40103980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{286457}}^1$

素因数の和:286473

約数の個数: 24

約数和(自身を含む): 96249888

約数和(自身を除く): 56145908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 286457, 572914, 1145828, 1432285, 2005199, 2864570, 4010398, 5729140, 8020796, 10025995, 20051990, 40103980]

約数ペア:

[(1, 40103980), (2, 20051990), (4, 10025995), (5, 8020796), (7, 5729140), (10, 4010398), (14, 2864570), (20, 2005199), (28, 1432285), (35, 1145828), (70, 572914), (140, 286457)]