39472780

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{3079}}^1$

素因数の和:3729

約数の個数: 24

約数和(自身を含む): 83049120

約数和(自身を除く): 43576340

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3079, 3205, 6158, 6410, 12316, 12820, 15395, 30790, 61580, 1973639, 3947278, 7894556, 9868195, 19736390, 39472780]

約数ペア:

[(1, 39472780), (2, 19736390), (4, 9868195), (5, 7894556), (10, 3947278), (20, 1973639), (641, 61580), (1282, 30790), (2564, 15395), (3079, 12820), (3205, 12316), (6158, 6410)]