25520820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32719}}^1$

素因数の和:32744

約数の個数: 48

約数和(自身を含む): 76957440

約数和(自身を除く): 51436620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 32719, 65438, 98157, 130876, 163595, 196314, 327190, 392628, 425347, 490785, 654380, 850694, 981570, 1276041, 1701388, 1963140, 2126735, 2552082, 4253470, 5104164, 6380205, 8506940, 12760410, 25520820]

約数ペア:

[(1, 25520820), (2, 12760410), (3, 8506940), (4, 6380205), (5, 5104164), (6, 4253470), (10, 2552082), (12, 2126735), (13, 1963140), (15, 1701388), (20, 1276041), (26, 981570), (30, 850694), (39, 654380), (52, 490785), (60, 425347), (65, 392628), (78, 327190), (130, 196314), (156, 163595), (195, 130876), (260, 98157), (390, 65438), (780, 32719)]