82217349640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28949771}}^1$

素因数の和:28949853

約数の個数: 32

約数和(自身を含む): 187594522560

約数和(自身を除く): 105377172920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 28949771, 57899542, 115799084, 144748855, 231598168, 289497710, 578995420, 1157990840, 2055433741, 4110867482, 8221734964, 10277168705, 16443469928, 20554337410, 41108674820, 82217349640]

約数ペア:

[(1, 82217349640), (2, 41108674820), (4, 20554337410), (5, 16443469928), (8, 10277168705), (10, 8221734964), (20, 4110867482), (40, 2055433741), (71, 1157990840), (142, 578995420), (284, 289497710), (355, 231598168), (568, 144748855), (710, 115799084), (1420, 57899542), (2840, 28949771)]