26563420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 62717760

約数和(自身を除く): 36154340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 169, 260, 271, 290, 338, 377, 542, 580, 676, 754, 845, 1084, 1355, 1508, 1690, 1885, 2710, 3380, 3523, 3770, 4901, 5420, 7046, 7540, 7859, 9802, 14092, 15718, 17615, 19604, 24505, 31436, 35230, 39295, 45799, 49010, 70460, 78590, 91598, 98020, 102167, 157180, 183196, 204334, 228995, 408668, 457990, 510835, 915980, 1021670, 1328171, 2043340, 2656342, 5312684, 6640855, 13281710, 26563420]

約数ペア:

[(1, 26563420), (2, 13281710), (4, 6640855), (5, 5312684), (10, 2656342), (13, 2043340), (20, 1328171), (26, 1021670), (29, 915980), (52, 510835), (58, 457990), (65, 408668), (116, 228995), (130, 204334), (145, 183196), (169, 157180), (260, 102167), (271, 98020), (290, 91598), (338, 78590), (377, 70460), (542, 49010), (580, 45799), (676, 39295), (754, 35230), (845, 31436), (1084, 24505), (1355, 19604), (1508, 17615), (1690, 15718), (1885, 14092), (2710, 9802), (3380, 7859), (3523, 7540), (3770, 7046), (4901, 5420)]