8913680

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1663}}^1$

素因数の和:1743

約数の個数: 40

約数和(自身を含む): 21046272

約数和(自身を除く): 12132592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 1663, 2680, 3326, 5360, 6652, 8315, 13304, 16630, 26608, 33260, 66520, 111421, 133040, 222842, 445684, 557105, 891368, 1114210, 1782736, 2228420, 4456840, 8913680]

約数ペア:

[(1, 8913680), (2, 4456840), (4, 2228420), (5, 1782736), (8, 1114210), (10, 891368), (16, 557105), (20, 445684), (40, 222842), (67, 133040), (80, 111421), (134, 66520), (268, 33260), (335, 26608), (536, 16630), (670, 13304), (1072, 8315), (1340, 6652), (1663, 5360), (2680, 3326)]