2636698220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{31991}}^1$

素因数の和:32330

約数の個数: 48

約数和(自身を含む): 5981992128

約数和(自身を除く): 3345293908

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 317, 634, 1268, 1585, 3170, 4121, 6340, 8242, 16484, 20605, 31991, 41210, 63982, 82420, 127964, 159955, 319910, 415883, 639820, 831766, 1663532, 2079415, 4158830, 8317660, 10141147, 20282294, 40564588, 50705735, 101411470, 131834911, 202822940, 263669822, 527339644, 659174555, 1318349110, 2636698220]

約数ペア:

[(1, 2636698220), (2, 1318349110), (4, 659174555), (5, 527339644), (10, 263669822), (13, 202822940), (20, 131834911), (26, 101411470), (52, 50705735), (65, 40564588), (130, 20282294), (260, 10141147), (317, 8317660), (634, 4158830), (1268, 2079415), (1585, 1663532), (3170, 831766), (4121, 639820), (6340, 415883), (8242, 319910), (16484, 159955), (20605, 127964), (31991, 82420), (41210, 63982)]