4042400

素因数分解:

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

素因数の和:214

約数の個数: 72

約数和(自身を含む): 10249344

約数和(自身を除く): 6206944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 155, 160, 163, 200, 248, 310, 326, 400, 496, 620, 652, 775, 800, 815, 992, 1240, 1304, 1550, 1630, 2480, 2608, 3100, 3260, 4075, 4960, 5053, 5216, 6200, 6520, 8150, 10106, 12400, 13040, 16300, 20212, 24800, 25265, 26080, 32600, 40424, 50530, 65200, 80848, 101060, 126325, 130400, 161696, 202120, 252650, 404240, 505300, 808480, 1010600, 2021200, 4042400]

約数ペア:

[(1, 4042400), (2, 2021200), (4, 1010600), (5, 808480), (8, 505300), (10, 404240), (16, 252650), (20, 202120), (25, 161696), (31, 130400), (32, 126325), (40, 101060), (50, 80848), (62, 65200), (80, 50530), (100, 40424), (124, 32600), (155, 26080), (160, 25265), (163, 24800), (200, 20212), (248, 16300), (310, 13040), (326, 12400), (400, 10106), (496, 8150), (620, 6520), (652, 6200), (775, 5216), (800, 5053), (815, 4960), (992, 4075), (1240, 3260), (1304, 3100), (1550, 2608), (1630, 2480)]