320440144

素因数分解:

$2^4\times {\mathrm{1663}}^1\times {\mathrm{12043}}^1$

素因数の和:13714

約数の個数: 20

約数和(自身を含む): 621277696

約数和(自身を除く): 300837552

約数列:

[1, 2, 4, 8, 16, 1663, 3326, 6652, 12043, 13304, 24086, 26608, 48172, 96344, 192688, 20027509, 40055018, 80110036, 160220072, 320440144]

約数ペア:

[(1, 320440144), (2, 160220072), (4, 80110036), (8, 40055018), (16, 20027509), (1663, 192688), (3326, 96344), (6652, 48172), (12043, 26608), (13304, 24086)]