8371240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 20021760

約数和(自身を除く): 11650520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 157, 172, 215, 248, 310, 314, 344, 430, 620, 628, 785, 860, 1240, 1256, 1333, 1570, 1720, 2666, 3140, 4867, 5332, 6280, 6665, 6751, 9734, 10664, 13330, 13502, 19468, 24335, 26660, 27004, 33755, 38936, 48670, 53320, 54008, 67510, 97340, 135020, 194680, 209281, 270040, 418562, 837124, 1046405, 1674248, 2092810, 4185620, 8371240]

約数ペア:

[(1, 8371240), (2, 4185620), (4, 2092810), (5, 1674248), (8, 1046405), (10, 837124), (20, 418562), (31, 270040), (40, 209281), (43, 194680), (62, 135020), (86, 97340), (124, 67510), (155, 54008), (157, 53320), (172, 48670), (215, 38936), (248, 33755), (310, 27004), (314, 26660), (344, 24335), (430, 19468), (620, 13502), (628, 13330), (785, 10664), (860, 9734), (1240, 6751), (1256, 6665), (1333, 6280), (1570, 5332), (1720, 4867), (2666, 3140)]