25446040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20521}}^1$

素因数の和:20563

約数の個数: 32

約数和(自身を含む): 59103360

約数和(自身を除く): 33657320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 20521, 41042, 82084, 102605, 164168, 205210, 410420, 636151, 820840, 1272302, 2544604, 3180755, 5089208, 6361510, 12723020, 25446040]

約数ペア:

[(1, 25446040), (2, 12723020), (4, 6361510), (5, 5089208), (8, 3180755), (10, 2544604), (20, 1272302), (31, 820840), (40, 636151), (62, 410420), (124, 205210), (155, 164168), (248, 102605), (310, 82084), (620, 41042), (1240, 20521)]