1826840

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 4158000

約数和(自身を除く): 2331160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 419, 436, 545, 838, 872, 1090, 1676, 2095, 2180, 3352, 4190, 4360, 8380, 16760, 45671, 91342, 182684, 228355, 365368, 456710, 913420, 1826840]

約数ペア:

[(1, 1826840), (2, 913420), (4, 456710), (5, 365368), (8, 228355), (10, 182684), (20, 91342), (40, 45671), (109, 16760), (218, 8380), (419, 4360), (436, 4190), (545, 3352), (838, 2180), (872, 2095), (1090, 1676)]