61625980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{563}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 139948704

約数和(自身を除く): 78322724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 421, 563, 842, 1126, 1684, 2105, 2252, 2815, 4210, 5473, 5630, 7319, 8420, 10946, 11260, 14638, 21892, 27365, 29276, 36595, 54730, 73190, 109460, 146380, 237023, 474046, 948092, 1185115, 2370230, 3081299, 4740460, 6162598, 12325196, 15406495, 30812990, 61625980]

約数ペア:

[(1, 61625980), (2, 30812990), (4, 15406495), (5, 12325196), (10, 6162598), (13, 4740460), (20, 3081299), (26, 2370230), (52, 1185115), (65, 948092), (130, 474046), (260, 237023), (421, 146380), (563, 109460), (842, 73190), (1126, 54730), (1684, 36595), (2105, 29276), (2252, 27365), (2815, 21892), (4210, 14638), (5473, 11260), (5630, 10946), (7319, 8420)]