39486020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2153}}^1$

素因数の和:2300

約数の個数: 48

約数和(自身を含む): 95534208

約数和(自身を除く): 56048188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1834, 2153, 2620, 3668, 4306, 4585, 8612, 9170, 10765, 15071, 18340, 21530, 30142, 43060, 60284, 75355, 150710, 282043, 301420, 564086, 1128172, 1410215, 1974301, 2820430, 3948602, 5640860, 7897204, 9871505, 19743010, 39486020]

約数ペア:

[(1, 39486020), (2, 19743010), (4, 9871505), (5, 7897204), (7, 5640860), (10, 3948602), (14, 2820430), (20, 1974301), (28, 1410215), (35, 1128172), (70, 564086), (131, 301420), (140, 282043), (262, 150710), (524, 75355), (655, 60284), (917, 43060), (1310, 30142), (1834, 21530), (2153, 18340), (2620, 15071), (3668, 10765), (4306, 9170), (4585, 8612)]