80143280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{143113}}^1$

素因数の和:143133

約数の個数: 40

約数和(自身を含む): 212953632

約数和(自身を除く): 132810352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 143113, 286226, 572452, 715565, 1001791, 1144904, 1431130, 2003582, 2289808, 2862260, 4007164, 5008955, 5724520, 8014328, 10017910, 11449040, 16028656, 20035820, 40071640, 80143280]

約数ペア:

[(1, 80143280), (2, 40071640), (4, 20035820), (5, 16028656), (7, 11449040), (8, 10017910), (10, 8014328), (14, 5724520), (16, 5008955), (20, 4007164), (28, 2862260), (35, 2289808), (40, 2003582), (56, 1431130), (70, 1144904), (80, 1001791), (112, 715565), (140, 572452), (280, 286226), (560, 143113)]