2021200

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:212

約数の個数: 60

約数和(自身を含む): 5043328

約数和(自身を除く): 3022128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 163, 200, 248, 310, 326, 400, 496, 620, 652, 775, 815, 1240, 1304, 1550, 1630, 2480, 2608, 3100, 3260, 4075, 5053, 6200, 6520, 8150, 10106, 12400, 13040, 16300, 20212, 25265, 32600, 40424, 50530, 65200, 80848, 101060, 126325, 202120, 252650, 404240, 505300, 1010600, 2021200]

約数ペア:

[(1, 2021200), (2, 1010600), (4, 505300), (5, 404240), (8, 252650), (10, 202120), (16, 126325), (20, 101060), (25, 80848), (31, 65200), (40, 50530), (50, 40424), (62, 32600), (80, 25265), (100, 20212), (124, 16300), (155, 13040), (163, 12400), (200, 10106), (248, 8150), (310, 6520), (326, 6200), (400, 5053), (496, 4075), (620, 3260), (652, 3100), (775, 2608), (815, 2480), (1240, 1630), (1304, 1550)]