25965420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{33289}}^1$

素因数の和:33314

約数の個数: 48

約数和(自身を含む): 78298080

約数和(自身を除く): 52332660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 33289, 66578, 99867, 133156, 166445, 199734, 332890, 399468, 432757, 499335, 665780, 865514, 998670, 1298271, 1731028, 1997340, 2163785, 2596542, 4327570, 5193084, 6491355, 8655140, 12982710, 25965420]

約数ペア:

[(1, 25965420), (2, 12982710), (3, 8655140), (4, 6491355), (5, 5193084), (6, 4327570), (10, 2596542), (12, 2163785), (13, 1997340), (15, 1731028), (20, 1298271), (26, 998670), (30, 865514), (39, 665780), (52, 499335), (60, 432757), (65, 399468), (78, 332890), (130, 199734), (156, 166445), (195, 133156), (260, 99867), (390, 66578), (780, 33289)]