207927980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{799723}}^1$

素因数の和:799745

約数の個数: 24

約数和(自身を含む): 470237712

約数和(自身を除く): 262309732

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 799723, 1599446, 3198892, 3998615, 7997230, 10396399, 15994460, 20792798, 41585596, 51981995, 103963990, 207927980]

約数ペア:

[(1, 207927980), (2, 103963990), (4, 51981995), (5, 41585596), (10, 20792798), (13, 15994460), (20, 10396399), (26, 7997230), (52, 3998615), (65, 3198892), (130, 1599446), (260, 799723)]