56090140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{829}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 125496000

約数和(自身を除く): 69405860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 199, 340, 398, 796, 829, 995, 1658, 1990, 3316, 3383, 3980, 4145, 6766, 8290, 13532, 14093, 16580, 16915, 28186, 33830, 56372, 67660, 70465, 140930, 164971, 281860, 329942, 659884, 824855, 1649710, 2804507, 3299420, 5609014, 11218028, 14022535, 28045070, 56090140]

約数ペア:

[(1, 56090140), (2, 28045070), (4, 14022535), (5, 11218028), (10, 5609014), (17, 3299420), (20, 2804507), (34, 1649710), (68, 824855), (85, 659884), (170, 329942), (199, 281860), (340, 164971), (398, 140930), (796, 70465), (829, 67660), (995, 56372), (1658, 33830), (1990, 28186), (3316, 16915), (3383, 16580), (3980, 14093), (4145, 13532), (6766, 8290)]