223828840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{136481}}^1$

素因数の和:136533

約数の個数: 32

約数和(自身を含む): 515901960

約数和(自身を除く): 292073120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 136481, 272962, 545924, 682405, 1091848, 1364810, 2729620, 5459240, 5595721, 11191442, 22382884, 27978605, 44765768, 55957210, 111914420, 223828840]

約数ペア:

[(1, 223828840), (2, 111914420), (4, 55957210), (5, 44765768), (8, 27978605), (10, 22382884), (20, 11191442), (40, 5595721), (41, 5459240), (82, 2729620), (164, 1364810), (205, 1091848), (328, 682405), (410, 545924), (820, 272962), (1640, 136481)]