26704340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{379}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 60775680

約数和(自身を除く): 34071340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 271, 379, 542, 758, 1084, 1355, 1516, 1895, 2710, 3523, 3790, 4927, 5420, 7046, 7580, 9854, 14092, 17615, 19708, 24635, 35230, 49270, 70460, 98540, 102709, 205418, 410836, 513545, 1027090, 1335217, 2054180, 2670434, 5340868, 6676085, 13352170, 26704340]

約数ペア:

[(1, 26704340), (2, 13352170), (4, 6676085), (5, 5340868), (10, 2670434), (13, 2054180), (20, 1335217), (26, 1027090), (52, 513545), (65, 410836), (130, 205418), (260, 102709), (271, 98540), (379, 70460), (542, 49270), (758, 35230), (1084, 24635), (1355, 19708), (1516, 17615), (1895, 14092), (2710, 9854), (3523, 7580), (3790, 7046), (4927, 5420)]