508366820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{6287}}^1$

素因数の和:6620

約数の個数: 48

約数和(自身を含む): 1153571328

約数和(自身を除く): 645204508

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 311, 622, 1244, 1555, 3110, 4043, 6220, 6287, 8086, 12574, 16172, 20215, 25148, 31435, 40430, 62870, 80860, 81731, 125740, 163462, 326924, 408655, 817310, 1634620, 1955257, 3910514, 7821028, 9776285, 19552570, 25418341, 39105140, 50836682, 101673364, 127091705, 254183410, 508366820]

約数ペア:

[(1, 508366820), (2, 254183410), (4, 127091705), (5, 101673364), (10, 50836682), (13, 39105140), (20, 25418341), (26, 19552570), (52, 9776285), (65, 7821028), (130, 3910514), (260, 1955257), (311, 1634620), (622, 817310), (1244, 408655), (1555, 326924), (3110, 163462), (4043, 125740), (6220, 81731), (6287, 80860), (8086, 62870), (12574, 40430), (16172, 31435), (20215, 25148)]