81569150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1873}}^1$

素因数の和:1965

約数の個数: 48

約数和(自身を含む): 165916464

約数和(自身を除く): 84347314

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 67, 130, 134, 325, 335, 650, 670, 871, 1675, 1742, 1873, 3350, 3746, 4355, 8710, 9365, 18730, 21775, 24349, 43550, 46825, 48698, 93650, 121745, 125491, 243490, 250982, 608725, 627455, 1217450, 1254910, 1631383, 3137275, 3262766, 6274550, 8156915, 16313830, 40784575, 81569150]

約数ペア:

[(1, 81569150), (2, 40784575), (5, 16313830), (10, 8156915), (13, 6274550), (25, 3262766), (26, 3137275), (50, 1631383), (65, 1254910), (67, 1217450), (130, 627455), (134, 608725), (325, 250982), (335, 243490), (650, 125491), (670, 121745), (871, 93650), (1675, 48698), (1742, 46825), (1873, 43550), (3350, 24349), (3746, 21775), (4355, 18730), (8710, 9365)]