54369380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2647}}^1$

素因数の和:2748

約数の個数: 48

約数和(自身を含む): 124561920

約数和(自身を除く): 70192540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 2647, 4108, 5135, 5294, 10270, 10588, 13235, 20540, 26470, 34411, 52940, 68822, 137644, 172055, 209113, 344110, 418226, 688220, 836452, 1045565, 2091130, 2718469, 4182260, 5436938, 10873876, 13592345, 27184690, 54369380]

約数ペア:

[(1, 54369380), (2, 27184690), (4, 13592345), (5, 10873876), (10, 5436938), (13, 4182260), (20, 2718469), (26, 2091130), (52, 1045565), (65, 836452), (79, 688220), (130, 418226), (158, 344110), (260, 209113), (316, 172055), (395, 137644), (790, 68822), (1027, 52940), (1580, 34411), (2054, 26470), (2647, 20540), (4108, 13235), (5135, 10588), (5294, 10270)]