13226680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 32192640

約数和(自身を除く): 18965960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 68, 85, 106, 136, 170, 212, 265, 340, 367, 424, 530, 680, 734, 901, 1060, 1468, 1802, 1835, 2120, 2936, 3604, 3670, 4505, 6239, 7208, 7340, 9010, 12478, 14680, 18020, 19451, 24956, 31195, 36040, 38902, 49912, 62390, 77804, 97255, 124780, 155608, 194510, 249560, 330667, 389020, 661334, 778040, 1322668, 1653335, 2645336, 3306670, 6613340, 13226680]

約数ペア:

[(1, 13226680), (2, 6613340), (4, 3306670), (5, 2645336), (8, 1653335), (10, 1322668), (17, 778040), (20, 661334), (34, 389020), (40, 330667), (53, 249560), (68, 194510), (85, 155608), (106, 124780), (136, 97255), (170, 77804), (212, 62390), (265, 49912), (340, 38902), (367, 36040), (424, 31195), (530, 24956), (680, 19451), (734, 18020), (901, 14680), (1060, 12478), (1468, 9010), (1802, 7340), (1835, 7208), (2120, 6239), (2936, 4505), (3604, 3670)]