25462780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5867}}^1$

素因数の和:5914

約数の個数: 48

約数和(自身を含む): 63092736

約数和(自身を除く): 37629956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 5867, 11734, 23468, 29335, 41069, 58670, 82138, 117340, 164276, 181877, 205345, 363754, 410690, 727508, 821380, 909385, 1273139, 1818770, 2546278, 3637540, 5092556, 6365695, 12731390, 25462780]

約数ペア:

[(1, 25462780), (2, 12731390), (4, 6365695), (5, 5092556), (7, 3637540), (10, 2546278), (14, 1818770), (20, 1273139), (28, 909385), (31, 821380), (35, 727508), (62, 410690), (70, 363754), (124, 205345), (140, 181877), (155, 164276), (217, 117340), (310, 82138), (434, 58670), (620, 41069), (868, 29335), (1085, 23468), (2170, 11734), (4340, 5867)]