51217940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1553}}^1$

素因数の和:1676

約数の個数: 48

約数和(自身を含む): 115132752

約数和(自身を除く): 63914812

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 97, 170, 194, 340, 388, 485, 970, 1553, 1649, 1940, 3106, 3298, 6212, 6596, 7765, 8245, 15530, 16490, 26401, 31060, 32980, 52802, 105604, 132005, 150641, 264010, 301282, 528020, 602564, 753205, 1506410, 2560897, 3012820, 5121794, 10243588, 12804485, 25608970, 51217940]

約数ペア:

[(1, 51217940), (2, 25608970), (4, 12804485), (5, 10243588), (10, 5121794), (17, 3012820), (20, 2560897), (34, 1506410), (68, 753205), (85, 602564), (97, 528020), (170, 301282), (194, 264010), (340, 150641), (388, 132005), (485, 105604), (970, 52802), (1553, 32980), (1649, 31060), (1940, 26401), (3106, 16490), (3298, 15530), (6212, 8245), (6596, 7765)]