416650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:666

約数の個数: 24

約数和(自身を含む): 835884

約数和(自身を除く): 419234

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 641, 650, 1282, 3205, 6410, 8333, 16025, 16666, 32050, 41665, 83330, 208325, 416650]

約数ペア:

[(1, 416650), (2, 208325), (5, 83330), (10, 41665), (13, 32050), (25, 16666), (26, 16025), (50, 8333), (65, 6410), (130, 3205), (325, 1282), (641, 650)]