81880370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{57259}}^1$

素因数の和:57290

約数の個数: 32

約数和(自身を含む): 173154240

約数和(自身を除く): 91273870

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 57259, 114518, 286295, 572590, 629849, 744367, 1259698, 1488734, 3149245, 3721835, 6298490, 7443670, 8188037, 16376074, 40940185, 81880370]

約数ペア:

[(1, 81880370), (2, 40940185), (5, 16376074), (10, 8188037), (11, 7443670), (13, 6298490), (22, 3721835), (26, 3149245), (55, 1488734), (65, 1259698), (110, 744367), (130, 629849), (143, 572590), (286, 286295), (715, 114518), (1430, 57259)]