64815740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2917}}^1$

素因数の和:3038

約数の個数: 48

約数和(自身を含む): 150008544

約数和(自身を除く): 85192804

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 2917, 4444, 5555, 5834, 11110, 11668, 14585, 22220, 29170, 32087, 58340, 64174, 128348, 160435, 294617, 320870, 589234, 641740, 1178468, 1473085, 2946170, 3240787, 5892340, 6481574, 12963148, 16203935, 32407870, 64815740]

約数ペア:

[(1, 64815740), (2, 32407870), (4, 16203935), (5, 12963148), (10, 6481574), (11, 5892340), (20, 3240787), (22, 2946170), (44, 1473085), (55, 1178468), (101, 641740), (110, 589234), (202, 320870), (220, 294617), (404, 160435), (505, 128348), (1010, 64174), (1111, 58340), (2020, 32087), (2222, 29170), (2917, 22220), (4444, 14585), (5555, 11668), (5834, 11110)]