25312330920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{820763}}^1$

素因数の和:821034

約数の個数: 64

約数和(自身を含む): 76232560320

約数和(自身を除く): 50920229400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 771, 1028, 1285, 1542, 2056, 2570, 3084, 3855, 5140, 6168, 7710, 10280, 15420, 30840, 820763, 1641526, 2462289, 3283052, 4103815, 4924578, 6566104, 8207630, 9849156, 12311445, 16415260, 19698312, 24622890, 32830520, 49245780, 98491560, 210936091, 421872182, 632808273, 843744364, 1054680455, 1265616546, 1687488728, 2109360910, 2531233092, 3164041365, 4218721820, 5062466184, 6328082730, 8437443640, 12656165460, 25312330920]

約数ペア:

[(1, 25312330920), (2, 12656165460), (3, 8437443640), (4, 6328082730), (5, 5062466184), (6, 4218721820), (8, 3164041365), (10, 2531233092), (12, 2109360910), (15, 1687488728), (20, 1265616546), (24, 1054680455), (30, 843744364), (40, 632808273), (60, 421872182), (120, 210936091), (257, 98491560), (514, 49245780), (771, 32830520), (1028, 24622890), (1285, 19698312), (1542, 16415260), (2056, 12311445), (2570, 9849156), (3084, 8207630), (3855, 6566104), (5140, 4924578), (6168, 4103815), (7710, 3283052), (10280, 2462289), (15420, 1641526), (30840, 820763)]