51551450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:543

約数の個数: 48

約数和(自身を含む): 100469760

約数和(自身を除く): 48918310

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 79, 155, 158, 310, 395, 421, 775, 790, 842, 1550, 1975, 2105, 2449, 3950, 4210, 4898, 10525, 12245, 13051, 21050, 24490, 26102, 33259, 61225, 65255, 66518, 122450, 130510, 166295, 326275, 332590, 652550, 831475, 1031029, 1662950, 2062058, 5155145, 10310290, 25775725, 51551450]

約数ペア:

[(1, 51551450), (2, 25775725), (5, 10310290), (10, 5155145), (25, 2062058), (31, 1662950), (50, 1031029), (62, 831475), (79, 652550), (155, 332590), (158, 326275), (310, 166295), (395, 130510), (421, 122450), (775, 66518), (790, 65255), (842, 61225), (1550, 33259), (1975, 26102), (2105, 24490), (2449, 21050), (3950, 13051), (4210, 12245), (4898, 10525)]