26907580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2707}}^1$

素因数の和:2794

約数の個数: 48

約数和(自身を含む): 65511936

約数和(自身を除く): 38604356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 2707, 4970, 5414, 9940, 10828, 13535, 18949, 27070, 37898, 54140, 75796, 94745, 189490, 192197, 378980, 384394, 768788, 960985, 1345379, 1921970, 2690758, 3843940, 5381516, 6726895, 13453790, 26907580]

約数ペア:

[(1, 26907580), (2, 13453790), (4, 6726895), (5, 5381516), (7, 3843940), (10, 2690758), (14, 1921970), (20, 1345379), (28, 960985), (35, 768788), (70, 384394), (71, 378980), (140, 192197), (142, 189490), (284, 94745), (355, 75796), (497, 54140), (710, 37898), (994, 27070), (1420, 18949), (1988, 13535), (2485, 10828), (2707, 9940), (4970, 5414)]