83812840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 196162560

約数和(自身を除く): 112349720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 257, 263, 310, 514, 526, 620, 1028, 1052, 1240, 1285, 1315, 2056, 2104, 2570, 2630, 5140, 5260, 7967, 8153, 10280, 10520, 15934, 16306, 31868, 32612, 39835, 40765, 63736, 65224, 67591, 79670, 81530, 135182, 159340, 163060, 270364, 318680, 326120, 337955, 540728, 675910, 1351820, 2095321, 2703640, 4190642, 8381284, 10476605, 16762568, 20953210, 41906420, 83812840]

約数ペア:

[(1, 83812840), (2, 41906420), (4, 20953210), (5, 16762568), (8, 10476605), (10, 8381284), (20, 4190642), (31, 2703640), (40, 2095321), (62, 1351820), (124, 675910), (155, 540728), (248, 337955), (257, 326120), (263, 318680), (310, 270364), (514, 163060), (526, 159340), (620, 135182), (1028, 81530), (1052, 79670), (1240, 67591), (1285, 65224), (1315, 63736), (2056, 40765), (2104, 39835), (2570, 32612), (2630, 31868), (5140, 16306), (5260, 15934), (7967, 10520), (8153, 10280)]