205851490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{3607}}^1$

素因数の和:4066

約数の個数: 32

約数和(自身を含む): 400055040

約数和(自身を除く): 194203550

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 439, 878, 2195, 3607, 4390, 5707, 7214, 11414, 18035, 28535, 36070, 46891, 57070, 93782, 234455, 468910, 1583473, 3166946, 7917365, 15834730, 20585149, 41170298, 102925745, 205851490]

約数ペア:

[(1, 205851490), (2, 102925745), (5, 41170298), (10, 20585149), (13, 15834730), (26, 7917365), (65, 3166946), (130, 1583473), (439, 468910), (878, 234455), (2195, 93782), (3607, 57070), (4390, 46891), (5707, 36070), (7214, 28535), (11414, 18035)]