18704200

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{2281}}^1$

素因数の和:2338

約数の個数: 48

約数和(自身を含む): 44567460

約数和(自身を除く): 25863260

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 2050, 2281, 4100, 4562, 8200, 9124, 11405, 18248, 22810, 45620, 57025, 91240, 93521, 114050, 187042, 228100, 374084, 456200, 467605, 748168, 935210, 1870420, 2338025, 3740840, 4676050, 9352100, 18704200]

約数ペア:

[(1, 18704200), (2, 9352100), (4, 4676050), (5, 3740840), (8, 2338025), (10, 1870420), (20, 935210), (25, 748168), (40, 467605), (41, 456200), (50, 374084), (82, 228100), (100, 187042), (164, 114050), (200, 93521), (205, 91240), (328, 57025), (410, 45620), (820, 22810), (1025, 18248), (1640, 11405), (2050, 9124), (2281, 8200), (4100, 4562)]