2508587720

素因数分解:

$2^3\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{48131}}^1$

素因数の和:49445

約数の個数: 32

約数和(自身を含む): 5648771520

約数和(自身を除く): 3140183800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1303, 2606, 5212, 6515, 10424, 13030, 26060, 48131, 52120, 96262, 192524, 240655, 385048, 481310, 962620, 1925240, 62714693, 125429386, 250858772, 313573465, 501717544, 627146930, 1254293860, 2508587720]

約数ペア:

[(1, 2508587720), (2, 1254293860), (4, 627146930), (5, 501717544), (8, 313573465), (10, 250858772), (20, 125429386), (40, 62714693), (1303, 1925240), (2606, 962620), (5212, 481310), (6515, 385048), (10424, 240655), (13030, 192524), (26060, 96262), (48131, 52120)]