26015860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 60873120

約数和(自身を除く): 34857260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 169, 172, 179, 215, 260, 338, 358, 430, 559, 676, 716, 845, 860, 895, 1118, 1690, 1790, 2236, 2327, 2795, 3380, 3580, 4654, 5590, 7267, 7697, 9308, 11180, 11635, 14534, 15394, 23270, 29068, 30251, 30788, 36335, 38485, 46540, 60502, 72670, 76970, 100061, 121004, 145340, 151255, 153940, 200122, 302510, 400244, 500305, 605020, 1000610, 1300793, 2001220, 2601586, 5203172, 6503965, 13007930, 26015860]

約数ペア:

[(1, 26015860), (2, 13007930), (4, 6503965), (5, 5203172), (10, 2601586), (13, 2001220), (20, 1300793), (26, 1000610), (43, 605020), (52, 500305), (65, 400244), (86, 302510), (130, 200122), (169, 153940), (172, 151255), (179, 145340), (215, 121004), (260, 100061), (338, 76970), (358, 72670), (430, 60502), (559, 46540), (676, 38485), (716, 36335), (845, 30788), (860, 30251), (895, 29068), (1118, 23270), (1690, 15394), (1790, 14534), (2236, 11635), (2327, 11180), (2795, 9308), (3380, 7697), (3580, 7267), (4654, 5590)]