4456840

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1663}}^1$

素因数の和:1741

約数の個数: 32

約数和(自身を含む): 10183680

約数和(自身を除く): 5726840

約数列:

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

約数ペア:

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