26956360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21739}}^1$

素因数の和:21781

約数の個数: 32

約数和(自身を含む): 62611200

約数和(自身を除く): 35654840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 21739, 43478, 86956, 108695, 173912, 217390, 434780, 673909, 869560, 1347818, 2695636, 3369545, 5391272, 6739090, 13478180, 26956360]

約数ペア:

[(1, 26956360), (2, 13478180), (4, 6739090), (5, 5391272), (8, 3369545), (10, 2695636), (20, 1347818), (31, 869560), (40, 673909), (62, 434780), (124, 217390), (155, 173912), (248, 108695), (310, 86956), (620, 43478), (1240, 21739)]