31363540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1699}}^1$

素因数の和:1792

約数の個数: 48

約数和(自身を含む): 71971200

約数和(自身を除く): 40607660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1699, 1846, 3398, 3692, 4615, 6796, 8495, 9230, 16990, 18460, 22087, 33980, 44174, 88348, 110435, 120629, 220870, 241258, 441740, 482516, 603145, 1206290, 1568177, 2412580, 3136354, 6272708, 7840885, 15681770, 31363540]

約数ペア:

[(1, 31363540), (2, 15681770), (4, 7840885), (5, 6272708), (10, 3136354), (13, 2412580), (20, 1568177), (26, 1206290), (52, 603145), (65, 482516), (71, 441740), (130, 241258), (142, 220870), (260, 120629), (284, 110435), (355, 88348), (710, 44174), (923, 33980), (1420, 22087), (1699, 18460), (1846, 16990), (3398, 9230), (3692, 8495), (4615, 6796)]