25040800

素因数分解:

$2^5\times 5^2\times {\mathrm{113}}^1\times {\mathrm{277}}^1$

素因数の和:410

約数の個数: 72

約数和(自身を含む): 61894476

約数和(自身を除く): 36853676

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 113, 160, 200, 226, 277, 400, 452, 554, 565, 800, 904, 1108, 1130, 1385, 1808, 2216, 2260, 2770, 2825, 3616, 4432, 4520, 5540, 5650, 6925, 8864, 9040, 11080, 11300, 13850, 18080, 22160, 22600, 27700, 31301, 44320, 45200, 55400, 62602, 90400, 110800, 125204, 156505, 221600, 250408, 313010, 500816, 626020, 782525, 1001632, 1252040, 1565050, 2504080, 3130100, 5008160, 6260200, 12520400, 25040800]

約数ペア:

[(1, 25040800), (2, 12520400), (4, 6260200), (5, 5008160), (8, 3130100), (10, 2504080), (16, 1565050), (20, 1252040), (25, 1001632), (32, 782525), (40, 626020), (50, 500816), (80, 313010), (100, 250408), (113, 221600), (160, 156505), (200, 125204), (226, 110800), (277, 90400), (400, 62602), (452, 55400), (554, 45200), (565, 44320), (800, 31301), (904, 27700), (1108, 22600), (1130, 22160), (1385, 18080), (1808, 13850), (2216, 11300), (2260, 11080), (2770, 9040), (2825, 8864), (3616, 6925), (4432, 5650), (4520, 5540)]