51664990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1609}}^1$

素因数の和:1661

約数の個数: 48

約数和(自身を含む): 106066800

約数和(自身を除く): 54401810

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 169, 190, 247, 338, 494, 845, 1235, 1609, 1690, 2470, 3211, 3218, 6422, 8045, 16055, 16090, 20917, 30571, 32110, 41834, 61142, 104585, 152855, 209170, 271921, 305710, 397423, 543842, 794846, 1359605, 1987115, 2719210, 3974230, 5166499, 10332998, 25832495, 51664990]

約数ペア:

[(1, 51664990), (2, 25832495), (5, 10332998), (10, 5166499), (13, 3974230), (19, 2719210), (26, 1987115), (38, 1359605), (65, 794846), (95, 543842), (130, 397423), (169, 305710), (190, 271921), (247, 209170), (338, 152855), (494, 104585), (845, 61142), (1235, 41834), (1609, 32110), (1690, 30571), (2470, 20917), (3211, 16090), (3218, 16055), (6422, 8045)]