16878160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16229}}^1$

素因数の和:16255

約数の個数: 40

約数和(自身を含む): 42262920

約数和(自身を除く): 25384760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 16229, 32458, 64916, 81145, 129832, 162290, 210977, 259664, 324580, 421954, 649160, 843908, 1054885, 1298320, 1687816, 2109770, 3375632, 4219540, 8439080, 16878160]

約数ペア:

[(1, 16878160), (2, 8439080), (4, 4219540), (5, 3375632), (8, 2109770), (10, 1687816), (13, 1298320), (16, 1054885), (20, 843908), (26, 649160), (40, 421954), (52, 324580), (65, 259664), (80, 210977), (104, 162290), (130, 129832), (208, 81145), (260, 64916), (520, 32458), (1040, 16229)]