56553825880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{251261}}^1$

素因数の和:251620

約数の個数: 64

約数和(自身を含む): 135138754080

約数和(自身を除く): 78584928200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 331, 340, 662, 680, 1324, 1655, 2648, 3310, 5627, 6620, 11254, 13240, 22508, 28135, 45016, 56270, 112540, 225080, 251261, 502522, 1005044, 1256305, 2010088, 2512610, 4271437, 5025220, 8542874, 10050440, 17085748, 21357185, 34171496, 42714370, 83167391, 85428740, 166334782, 170857480, 332669564, 415836955, 665339128, 831673910, 1413845647, 1663347820, 2827691294, 3326695640, 5655382588, 7069228235, 11310765176, 14138456470, 28276912940, 56553825880]

約数ペア:

[(1, 56553825880), (2, 28276912940), (4, 14138456470), (5, 11310765176), (8, 7069228235), (10, 5655382588), (17, 3326695640), (20, 2827691294), (34, 1663347820), (40, 1413845647), (68, 831673910), (85, 665339128), (136, 415836955), (170, 332669564), (331, 170857480), (340, 166334782), (662, 85428740), (680, 83167391), (1324, 42714370), (1655, 34171496), (2648, 21357185), (3310, 17085748), (5627, 10050440), (6620, 8542874), (11254, 5025220), (13240, 4271437), (22508, 2512610), (28135, 2010088), (45016, 1256305), (56270, 1005044), (112540, 502522), (225080, 251261)]