25201240

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7079}}^1$

素因数の和:7179

約数の個数: 32

約数和(自身を含む): 57348000

約数和(自身を除く): 32146760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 7079, 14158, 28316, 35395, 56632, 70790, 141580, 283160, 630031, 1260062, 2520124, 3150155, 5040248, 6300310, 12600620, 25201240]

約数ペア:

[(1, 25201240), (2, 12600620), (4, 6300310), (5, 5040248), (8, 3150155), (10, 2520124), (20, 1260062), (40, 630031), (89, 283160), (178, 141580), (356, 70790), (445, 56632), (712, 35395), (890, 28316), (1780, 14158), (3560, 7079)]