25778220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{33049}}^1$

素因数の和:33074

約数の個数: 48

約数和(自身を含む): 77733600

約数和(自身を除く): 51955380

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, 33049, 66098, 99147, 132196, 165245, 198294, 330490, 396588, 429637, 495735, 660980, 859274, 991470, 1288911, 1718548, 1982940, 2148185, 2577822, 4296370, 5155644, 6444555, 8592740, 12889110, 25778220]

約数ペア:

[(1, 25778220), (2, 12889110), (3, 8592740), (4, 6444555), (5, 5155644), (6, 4296370), (10, 2577822), (12, 2148185), (13, 1982940), (15, 1718548), (20, 1288911), (26, 991470), (30, 859274), (39, 660980), (52, 495735), (60, 429637), (65, 396588), (78, 330490), (130, 198294), (156, 165245), (195, 132196), (260, 99147), (390, 66098), (780, 33049)]