50216725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 72651600

約数和(自身を除く): 22434875

約数列:

[1, 5, 13, 17, 25, 61, 65, 85, 149, 221, 305, 325, 425, 745, 793, 1037, 1105, 1525, 1937, 2533, 3725, 3965, 5185, 5525, 9089, 9685, 12665, 13481, 19825, 25925, 32929, 45445, 48425, 63325, 67405, 118157, 154513, 164645, 227225, 337025, 590785, 772565, 823225, 2008669, 2953925, 3862825, 10043345, 50216725]

約数ペア:

[(1, 50216725), (5, 10043345), (13, 3862825), (17, 2953925), (25, 2008669), (61, 823225), (65, 772565), (85, 590785), (149, 337025), (221, 227225), (305, 164645), (325, 154513), (425, 118157), (745, 67405), (793, 63325), (1037, 48425), (1105, 45445), (1525, 32929), (1937, 25925), (2533, 19825), (3725, 13481), (3965, 12665), (5185, 9685), (5525, 9089)]