38764760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{523}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 93376800

約数和(自身を除く): 54612040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 109, 136, 170, 218, 340, 436, 523, 545, 680, 872, 1046, 1090, 1853, 2092, 2180, 2615, 3706, 4184, 4360, 5230, 7412, 8891, 9265, 10460, 14824, 17782, 18530, 20920, 35564, 37060, 44455, 57007, 71128, 74120, 88910, 114014, 177820, 228028, 285035, 355640, 456056, 570070, 969119, 1140140, 1938238, 2280280, 3876476, 4845595, 7752952, 9691190, 19382380, 38764760]

約数ペア:

[(1, 38764760), (2, 19382380), (4, 9691190), (5, 7752952), (8, 4845595), (10, 3876476), (17, 2280280), (20, 1938238), (34, 1140140), (40, 969119), (68, 570070), (85, 456056), (109, 355640), (136, 285035), (170, 228028), (218, 177820), (340, 114014), (436, 88910), (523, 74120), (545, 71128), (680, 57007), (872, 44455), (1046, 37060), (1090, 35564), (1853, 20920), (2092, 18530), (2180, 17782), (2615, 14824), (3706, 10460), (4184, 9265), (4360, 8891), (5230, 7412)]