23153240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 57503520

約数和(自身を除く): 34350280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 220, 404, 440, 505, 521, 808, 1010, 1042, 1111, 2020, 2084, 2222, 2605, 4040, 4168, 4444, 5210, 5555, 5731, 8888, 10420, 11110, 11462, 20840, 22220, 22924, 28655, 44440, 45848, 52621, 57310, 105242, 114620, 210484, 229240, 263105, 420968, 526210, 578831, 1052420, 1157662, 2104840, 2315324, 2894155, 4630648, 5788310, 11576620, 23153240]

約数ペア:

[(1, 23153240), (2, 11576620), (4, 5788310), (5, 4630648), (8, 2894155), (10, 2315324), (11, 2104840), (20, 1157662), (22, 1052420), (40, 578831), (44, 526210), (55, 420968), (88, 263105), (101, 229240), (110, 210484), (202, 114620), (220, 105242), (404, 57310), (440, 52621), (505, 45848), (521, 44440), (808, 28655), (1010, 22924), (1042, 22220), (1111, 20840), (2020, 11462), (2084, 11110), (2222, 10420), (2605, 8888), (4040, 5731), (4168, 5555), (4444, 5210)]