12956320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6229}}^1$

素因数の和:6257

約数の個数: 48

約数和(自身を含む): 32969160

約数和(自身を除く): 20012840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 6229, 12458, 24916, 31145, 49832, 62290, 80977, 99664, 124580, 161954, 199328, 249160, 323908, 404885, 498320, 647816, 809770, 996640, 1295632, 1619540, 2591264, 3239080, 6478160, 12956320]

約数ペア:

[(1, 12956320), (2, 6478160), (4, 3239080), (5, 2591264), (8, 1619540), (10, 1295632), (13, 996640), (16, 809770), (20, 647816), (26, 498320), (32, 404885), (40, 323908), (52, 249160), (65, 199328), (80, 161954), (104, 124580), (130, 99664), (160, 80977), (208, 62290), (260, 49832), (416, 31145), (520, 24916), (1040, 12458), (2080, 6229)]