25640680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3793}}^1$

素因数の和:3830

約数の個数: 48

約数和(自身を含む): 62487180

約数和(自身を除く): 36846500

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 3793, 6760, 7586, 15172, 18965, 30344, 37930, 49309, 75860, 98618, 151720, 197236, 246545, 394472, 493090, 641017, 986180, 1282034, 1972360, 2564068, 3205085, 5128136, 6410170, 12820340, 25640680]

約数ペア:

[(1, 25640680), (2, 12820340), (4, 6410170), (5, 5128136), (8, 3205085), (10, 2564068), (13, 1972360), (20, 1282034), (26, 986180), (40, 641017), (52, 493090), (65, 394472), (104, 246545), (130, 197236), (169, 151720), (260, 98618), (338, 75860), (520, 49309), (676, 37930), (845, 30344), (1352, 18965), (1690, 15172), (3380, 7586), (3793, 6760)]