25555552

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{919}}^1$

素因数の和:1019

約数の個数: 48

約数和(自身を含む): 55641600

約数和(自身を除く): 30086048

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 79, 88, 158, 176, 316, 352, 632, 869, 919, 1264, 1738, 1838, 2528, 3476, 3676, 6952, 7352, 10109, 13904, 14704, 20218, 27808, 29408, 40436, 72601, 80872, 145202, 161744, 290404, 323488, 580808, 798611, 1161616, 1597222, 2323232, 3194444, 6388888, 12777776, 25555552]

約数ペア:

[(1, 25555552), (2, 12777776), (4, 6388888), (8, 3194444), (11, 2323232), (16, 1597222), (22, 1161616), (32, 798611), (44, 580808), (79, 323488), (88, 290404), (158, 161744), (176, 145202), (316, 80872), (352, 72601), (632, 40436), (869, 29408), (919, 27808), (1264, 20218), (1738, 14704), (1838, 13904), (2528, 10109), (3476, 7352), (3676, 6952)]