4185620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 9343488

約数和(自身を除く): 5157868

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 157, 172, 215, 310, 314, 430, 620, 628, 785, 860, 1333, 1570, 2666, 3140, 4867, 5332, 6665, 6751, 9734, 13330, 13502, 19468, 24335, 26660, 27004, 33755, 48670, 67510, 97340, 135020, 209281, 418562, 837124, 1046405, 2092810, 4185620]

約数ペア:

[(1, 4185620), (2, 2092810), (4, 1046405), (5, 837124), (10, 418562), (20, 209281), (31, 135020), (43, 97340), (62, 67510), (86, 48670), (124, 33755), (155, 27004), (157, 26660), (172, 24335), (215, 19468), (310, 13502), (314, 13330), (430, 9734), (620, 6751), (628, 6665), (785, 5332), (860, 4867), (1333, 3140), (1570, 2666)]