15521080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12517}}^1$

素因数の和:12559

約数の個数: 32

約数和(自身を含む): 36051840

約数和(自身を除く): 20530760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 12517, 25034, 50068, 62585, 100136, 125170, 250340, 388027, 500680, 776054, 1552108, 1940135, 3104216, 3880270, 7760540, 15521080]

約数ペア:

[(1, 15521080), (2, 7760540), (4, 3880270), (5, 3104216), (8, 1940135), (10, 1552108), (20, 776054), (31, 500680), (40, 388027), (62, 250340), (124, 125170), (155, 100136), (248, 62585), (310, 50068), (620, 25034), (1240, 12517)]