141782920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{86453}}^1$

素因数の和:86505

約数の個数: 32

約数和(自身を含む): 326796120

約数和(自身を除く): 185013200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 86453, 172906, 345812, 432265, 691624, 864530, 1729060, 3458120, 3544573, 7089146, 14178292, 17722865, 28356584, 35445730, 70891460, 141782920]

約数ペア:

[(1, 141782920), (2, 70891460), (4, 35445730), (5, 28356584), (8, 17722865), (10, 14178292), (20, 7089146), (40, 3544573), (41, 3458120), (82, 1729060), (164, 864530), (205, 691624), (328, 432265), (410, 345812), (820, 172906), (1640, 86453)]