23426780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 55339200

約数和(自身を除く): 31912420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 169, 239, 260, 290, 338, 377, 478, 580, 676, 754, 845, 956, 1195, 1508, 1690, 1885, 2390, 3107, 3380, 3770, 4780, 4901, 6214, 6931, 7540, 9802, 12428, 13862, 15535, 19604, 24505, 27724, 31070, 34655, 40391, 49010, 62140, 69310, 80782, 90103, 98020, 138620, 161564, 180206, 201955, 360412, 403910, 450515, 807820, 901030, 1171339, 1802060, 2342678, 4685356, 5856695, 11713390, 23426780]

約数ペア:

[(1, 23426780), (2, 11713390), (4, 5856695), (5, 4685356), (10, 2342678), (13, 1802060), (20, 1171339), (26, 901030), (29, 807820), (52, 450515), (58, 403910), (65, 360412), (116, 201955), (130, 180206), (145, 161564), (169, 138620), (239, 98020), (260, 90103), (290, 80782), (338, 69310), (377, 62140), (478, 49010), (580, 40391), (676, 34655), (754, 31070), (845, 27724), (956, 24505), (1195, 19604), (1508, 15535), (1690, 13862), (1885, 12428), (2390, 9802), (3107, 7540), (3380, 6931), (3770, 6214), (4780, 4901)]