38505640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{367}}^1$

素因数の和:482

約数の個数: 64

約数和(自身を含む): 90351360

約数和(自身を除く): 51845720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 61, 86, 122, 172, 215, 244, 305, 344, 367, 430, 488, 610, 734, 860, 1220, 1468, 1720, 1835, 2440, 2623, 2936, 3670, 5246, 7340, 10492, 13115, 14680, 15781, 20984, 22387, 26230, 31562, 44774, 52460, 63124, 78905, 89548, 104920, 111935, 126248, 157810, 179096, 223870, 315620, 447740, 631240, 895480, 962641, 1925282, 3850564, 4813205, 7701128, 9626410, 19252820, 38505640]

約数ペア:

[(1, 38505640), (2, 19252820), (4, 9626410), (5, 7701128), (8, 4813205), (10, 3850564), (20, 1925282), (40, 962641), (43, 895480), (61, 631240), (86, 447740), (122, 315620), (172, 223870), (215, 179096), (244, 157810), (305, 126248), (344, 111935), (367, 104920), (430, 89548), (488, 78905), (610, 63124), (734, 52460), (860, 44774), (1220, 31562), (1468, 26230), (1720, 22387), (1835, 20984), (2440, 15781), (2623, 14680), (2936, 13115), (3670, 10492), (5246, 7340)]