101922640

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{16127}}^1$

素因数の和:16219

約数の個数: 40

約数和(自身を含む): 239984640

約数和(自身を除く): 138062000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 16127, 32254, 64508, 80635, 129016, 161270, 258032, 322540, 645080, 1274033, 1290160, 2548066, 5096132, 6370165, 10192264, 12740330, 20384528, 25480660, 50961320, 101922640]

約数ペア:

[(1, 101922640), (2, 50961320), (4, 25480660), (5, 20384528), (8, 12740330), (10, 10192264), (16, 6370165), (20, 5096132), (40, 2548066), (79, 1290160), (80, 1274033), (158, 645080), (316, 322540), (395, 258032), (632, 161270), (790, 129016), (1264, 80635), (1580, 64508), (3160, 32254), (6320, 16127)]