978055280

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{182473}}^1$

素因数の和:182553

約数の個数: 40

約数和(自身を含む): 2307931152

約数和(自身を除く): 1329875872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 182473, 364946, 729892, 912365, 1459784, 1824730, 2919568, 3649460, 7298920, 12225691, 14597840, 24451382, 48902764, 61128455, 97805528, 122256910, 195611056, 244513820, 489027640, 978055280]

約数ペア:

[(1, 978055280), (2, 489027640), (4, 244513820), (5, 195611056), (8, 122256910), (10, 97805528), (16, 61128455), (20, 48902764), (40, 24451382), (67, 14597840), (80, 12225691), (134, 7298920), (268, 3649460), (335, 2919568), (536, 1824730), (670, 1459784), (1072, 912365), (1340, 729892), (2680, 364946), (5360, 182473)]