25987260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{33317}}^1$

素因数の和:33342

約数の個数: 48

約数和(自身を含む): 78363936

約数和(自身を除く): 52376676

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, 33317, 66634, 99951, 133268, 166585, 199902, 333170, 399804, 433121, 499755, 666340, 866242, 999510, 1299363, 1732484, 1999020, 2165605, 2598726, 4331210, 5197452, 6496815, 8662420, 12993630, 25987260]

約数ペア:

[(1, 25987260), (2, 12993630), (3, 8662420), (4, 6496815), (5, 5197452), (6, 4331210), (10, 2598726), (12, 2165605), (13, 1999020), (15, 1732484), (20, 1299363), (26, 999510), (30, 866242), (39, 666340), (52, 499755), (60, 433121), (65, 399804), (78, 333170), (130, 199902), (156, 166585), (195, 133268), (260, 99951), (390, 66634), (780, 33317)]