65289250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{20089}}^1$

素因数の和:20119

約数の個数: 32

約数和(自身を含む): 131629680

約数和(自身を除く): 66340430

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 20089, 40178, 100445, 200890, 261157, 502225, 522314, 1004450, 1305785, 2511125, 2611570, 5022250, 6528925, 13057850, 32644625, 65289250]

約数ペア:

[(1, 65289250), (2, 32644625), (5, 13057850), (10, 6528925), (13, 5022250), (25, 2611570), (26, 2511125), (50, 1305785), (65, 1004450), (125, 522314), (130, 502225), (250, 261157), (325, 200890), (650, 100445), (1625, 40178), (3250, 20089)]