9145240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:476

約数の個数: 64

約数和(自身を含む): 22730400

約数和(自身を除く): 13585160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 409, 430, 520, 559, 818, 860, 1118, 1636, 1720, 2045, 2236, 2795, 3272, 4090, 4472, 5317, 5590, 8180, 10634, 11180, 16360, 17587, 21268, 22360, 26585, 35174, 42536, 53170, 70348, 87935, 106340, 140696, 175870, 212680, 228631, 351740, 457262, 703480, 914524, 1143155, 1829048, 2286310, 4572620, 9145240]

約数ペア:

[(1, 9145240), (2, 4572620), (4, 2286310), (5, 1829048), (8, 1143155), (10, 914524), (13, 703480), (20, 457262), (26, 351740), (40, 228631), (43, 212680), (52, 175870), (65, 140696), (86, 106340), (104, 87935), (130, 70348), (172, 53170), (215, 42536), (260, 35174), (344, 26585), (409, 22360), (430, 21268), (520, 17587), (559, 16360), (818, 11180), (860, 10634), (1118, 8180), (1636, 5590), (1720, 5317), (2045, 4472), (2236, 4090), (2795, 3272)]