40071640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{143113}}^1$

素因数の和:143131

約数の個数: 32

約数和(自身を含む): 103042080

約数和(自身を除く): 62970440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 143113, 286226, 572452, 715565, 1001791, 1144904, 1431130, 2003582, 2862260, 4007164, 5008955, 5724520, 8014328, 10017910, 20035820, 40071640]

約数ペア:

[(1, 40071640), (2, 20035820), (4, 10017910), (5, 8014328), (7, 5724520), (8, 5008955), (10, 4007164), (14, 2862260), (20, 2003582), (28, 1431130), (35, 1144904), (40, 1001791), (56, 715565), (70, 572452), (140, 286226), (280, 143113)]