80097880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1931}}^1$

素因数の和:2020

約数の個数: 64

約数和(自身を含む): 194050080

約数和(自身を除く): 113952200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 61, 68, 85, 122, 136, 170, 244, 305, 340, 488, 610, 680, 1037, 1220, 1931, 2074, 2440, 3862, 4148, 5185, 7724, 8296, 9655, 10370, 15448, 19310, 20740, 32827, 38620, 41480, 65654, 77240, 117791, 131308, 164135, 235582, 262616, 328270, 471164, 588955, 656540, 942328, 1177910, 1313080, 2002447, 2355820, 4004894, 4711640, 8009788, 10012235, 16019576, 20024470, 40048940, 80097880]

約数ペア:

[(1, 80097880), (2, 40048940), (4, 20024470), (5, 16019576), (8, 10012235), (10, 8009788), (17, 4711640), (20, 4004894), (34, 2355820), (40, 2002447), (61, 1313080), (68, 1177910), (85, 942328), (122, 656540), (136, 588955), (170, 471164), (244, 328270), (305, 262616), (340, 235582), (488, 164135), (610, 131308), (680, 117791), (1037, 77240), (1220, 65654), (1931, 41480), (2074, 38620), (2440, 32827), (3862, 20740), (4148, 19310), (5185, 15448), (7724, 10370), (8296, 9655)]