51156500

素因数分解:

$2^2\times 5^3\times {\mathrm{101}}^1\times {\mathrm{1013}}^1$

素因数の和:1133

約数の個数: 48

約数和(自身を含む): 112943376

約数和(自身を除く): 61786876

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 125, 202, 250, 404, 500, 505, 1010, 1013, 2020, 2026, 2525, 4052, 5050, 5065, 10100, 10130, 12625, 20260, 25250, 25325, 50500, 50650, 101300, 102313, 126625, 204626, 253250, 409252, 506500, 511565, 1023130, 2046260, 2557825, 5115650, 10231300, 12789125, 25578250, 51156500]

約数ペア:

[(1, 51156500), (2, 25578250), (4, 12789125), (5, 10231300), (10, 5115650), (20, 2557825), (25, 2046260), (50, 1023130), (100, 511565), (101, 506500), (125, 409252), (202, 253250), (250, 204626), (404, 126625), (500, 102313), (505, 101300), (1010, 50650), (1013, 50500), (2020, 25325), (2026, 25250), (2525, 20260), (4052, 12625), (5050, 10130), (5065, 10100)]