127847420

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{39217}}^1$

素因数の和:39389

約数の個数: 24

約数和(自身を含む): 270133584

約数和(自身を除く): 142286164

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 39217, 78434, 156868, 196085, 392170, 784340, 6392371, 12784742, 25569484, 31961855, 63923710, 127847420]

約数ペア:

[(1, 127847420), (2, 63923710), (4, 31961855), (5, 25569484), (10, 12784742), (20, 6392371), (163, 784340), (326, 392170), (652, 196085), (815, 156868), (1630, 78434), (3260, 39217)]