65048750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{4003}}^1$

素因数の和:4038

約数の個数: 40

約数和(自身を含む): 131339208

約数和(自身を除く): 66290458

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1625, 3250, 4003, 8006, 8125, 16250, 20015, 40030, 52039, 100075, 104078, 200150, 260195, 500375, 520390, 1000750, 1300975, 2501875, 2601950, 5003750, 6504875, 13009750, 32524375, 65048750]

約数ペア:

[(1, 65048750), (2, 32524375), (5, 13009750), (10, 6504875), (13, 5003750), (25, 2601950), (26, 2501875), (50, 1300975), (65, 1000750), (125, 520390), (130, 500375), (250, 260195), (325, 200150), (625, 104078), (650, 100075), (1250, 52039), (1625, 40030), (3250, 20015), (4003, 16250), (8006, 8125)]