384967160

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{23531}}^1$

素因数の和:23951

約数の個数: 32

約数和(自身を含む): 868330800

約数和(自身を除く): 483363640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 8180, 16360, 23531, 47062, 94124, 117655, 188248, 235310, 470620, 941240, 9624179, 19248358, 38496716, 48120895, 76993432, 96241790, 192483580, 384967160]

約数ペア:

[(1, 384967160), (2, 192483580), (4, 96241790), (5, 76993432), (8, 48120895), (10, 38496716), (20, 19248358), (40, 9624179), (409, 941240), (818, 470620), (1636, 235310), (2045, 188248), (3272, 117655), (4090, 94124), (8180, 47062), (16360, 23531)]