2078485880

素因数分解:

$2^3\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{41603}}^1$

素因数の和:42863

約数の個数: 32

約数和(自身を含む): 4680450000

約数和(自身を除く): 2601964120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1249, 2498, 4996, 6245, 9992, 12490, 24980, 41603, 49960, 83206, 166412, 208015, 332824, 416030, 832060, 1664120, 51962147, 103924294, 207848588, 259810735, 415697176, 519621470, 1039242940, 2078485880]

約数ペア:

[(1, 2078485880), (2, 1039242940), (4, 519621470), (5, 415697176), (8, 259810735), (10, 207848588), (20, 103924294), (40, 51962147), (1249, 1664120), (2498, 832060), (4996, 416030), (6245, 332824), (9992, 208015), (12490, 166412), (24980, 83206), (41603, 49960)]