25650640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10343}}^1$

素因数の和:10387

約数の個数: 40

約数和(自身を含む): 61567488

約数和(自身を除く): 35916848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 10343, 20686, 41372, 51715, 82744, 103430, 165488, 206860, 320633, 413720, 641266, 827440, 1282532, 1603165, 2565064, 3206330, 5130128, 6412660, 12825320, 25650640]

約数ペア:

[(1, 25650640), (2, 12825320), (4, 6412660), (5, 5130128), (8, 3206330), (10, 2565064), (16, 1603165), (20, 1282532), (31, 827440), (40, 641266), (62, 413720), (80, 320633), (124, 206860), (155, 165488), (248, 103430), (310, 82744), (496, 51715), (620, 41372), (1240, 20686), (2480, 10343)]