80471120

素因数分解:

$2^4\times 5^1\times {\mathrm{859}}^1\times {\mathrm{1171}}^1$

素因数の和:2043

約数の個数: 40

約数和(自身を含む): 187473120

約数和(自身を除く): 107002000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 859, 1171, 1718, 2342, 3436, 4295, 4684, 5855, 6872, 8590, 9368, 11710, 13744, 17180, 18736, 23420, 34360, 46840, 68720, 93680, 1005889, 2011778, 4023556, 5029445, 8047112, 10058890, 16094224, 20117780, 40235560, 80471120]

約数ペア:

[(1, 80471120), (2, 40235560), (4, 20117780), (5, 16094224), (8, 10058890), (10, 8047112), (16, 5029445), (20, 4023556), (40, 2011778), (80, 1005889), (859, 93680), (1171, 68720), (1718, 46840), (2342, 34360), (3436, 23420), (4295, 18736), (4684, 17180), (5855, 13744), (6872, 11710), (8590, 9368)]