983966840

素因数分解:

$2^3\times 5^1\times {\mathrm{887}}^1\times {\mathrm{27733}}^1$

素因数の和:28631

約数の個数: 32

約数和(自身を含む): 2216501280

約数和(自身を除く): 1232534440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 887, 1774, 3548, 4435, 7096, 8870, 17740, 27733, 35480, 55466, 110932, 138665, 221864, 277330, 554660, 1109320, 24599171, 49198342, 98396684, 122995855, 196793368, 245991710, 491983420, 983966840]

約数ペア:

[(1, 983966840), (2, 491983420), (4, 245991710), (5, 196793368), (8, 122995855), (10, 98396684), (20, 49198342), (40, 24599171), (887, 1109320), (1774, 554660), (3548, 277330), (4435, 221864), (7096, 138665), (8870, 110932), (17740, 55466), (27733, 35480)]