13046540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{139}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 31363920

約数和(自身を除く): 18317380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 139, 190, 247, 260, 278, 361, 380, 494, 556, 695, 722, 988, 1235, 1390, 1444, 1805, 1807, 2470, 2641, 2780, 3610, 3614, 4693, 4940, 5282, 7220, 7228, 9035, 9386, 10564, 13205, 18070, 18772, 23465, 26410, 34333, 36140, 46930, 50179, 52820, 68666, 93860, 100358, 137332, 171665, 200716, 250895, 343330, 501790, 652327, 686660, 1003580, 1304654, 2609308, 3261635, 6523270, 13046540]

約数ペア:

[(1, 13046540), (2, 6523270), (4, 3261635), (5, 2609308), (10, 1304654), (13, 1003580), (19, 686660), (20, 652327), (26, 501790), (38, 343330), (52, 250895), (65, 200716), (76, 171665), (95, 137332), (130, 100358), (139, 93860), (190, 68666), (247, 52820), (260, 50179), (278, 46930), (361, 36140), (380, 34333), (494, 26410), (556, 23465), (695, 18772), (722, 18070), (988, 13205), (1235, 10564), (1390, 9386), (1444, 9035), (1805, 7228), (1807, 7220), (2470, 5282), (2641, 4940), (2780, 4693), (3610, 3614)]