65531590

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{2539}}^1$

素因数の和:2664

約数の個数: 32

約数和(自身を含む): 123444000

約数和(自身を除く): 57912410

約数列:

[1, 2, 5, 10, 29, 58, 89, 145, 178, 290, 445, 890, 2539, 2581, 5078, 5162, 12695, 12905, 25390, 25810, 73631, 147262, 225971, 368155, 451942, 736310, 1129855, 2259710, 6553159, 13106318, 32765795, 65531590]

約数ペア:

[(1, 65531590), (2, 32765795), (5, 13106318), (10, 6553159), (29, 2259710), (58, 1129855), (89, 736310), (145, 451942), (178, 368155), (290, 225971), (445, 147262), (890, 73631), (2539, 25810), (2581, 25390), (5078, 12905), (5162, 12695)]