1996258480

素因数分解:

$2^4\times 5^1\times {\mathrm{4561}}^1\times {\mathrm{5471}}^1$

素因数の和:10045

約数の個数: 40

約数和(自身を含む): 4643167104

約数和(自身を除く): 2646908624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4561, 5471, 9122, 10942, 18244, 21884, 22805, 27355, 36488, 43768, 45610, 54710, 72976, 87536, 91220, 109420, 182440, 218840, 364880, 437680, 24953231, 49906462, 99812924, 124766155, 199625848, 249532310, 399251696, 499064620, 998129240, 1996258480]

約数ペア:

[(1, 1996258480), (2, 998129240), (4, 499064620), (5, 399251696), (8, 249532310), (10, 199625848), (16, 124766155), (20, 99812924), (40, 49906462), (80, 24953231), (4561, 437680), (5471, 364880), (9122, 218840), (10942, 182440), (18244, 109420), (21884, 91220), (22805, 87536), (27355, 72976), (36488, 54710), (43768, 45610)]