86877880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1447}}^1$

素因数の和:1556

約数の個数: 64

約数和(自身を含む): 208512000

約数和(自身を除く): 121634120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 79, 95, 152, 158, 190, 316, 380, 395, 632, 760, 790, 1447, 1501, 1580, 2894, 3002, 3160, 5788, 6004, 7235, 7505, 11576, 12008, 14470, 15010, 27493, 28940, 30020, 54986, 57880, 60040, 109972, 114313, 137465, 219944, 228626, 274930, 457252, 549860, 571565, 914504, 1099720, 1143130, 2171947, 2286260, 4343894, 4572520, 8687788, 10859735, 17375576, 21719470, 43438940, 86877880]

約数ペア:

[(1, 86877880), (2, 43438940), (4, 21719470), (5, 17375576), (8, 10859735), (10, 8687788), (19, 4572520), (20, 4343894), (38, 2286260), (40, 2171947), (76, 1143130), (79, 1099720), (95, 914504), (152, 571565), (158, 549860), (190, 457252), (316, 274930), (380, 228626), (395, 219944), (632, 137465), (760, 114313), (790, 109972), (1447, 60040), (1501, 57880), (1580, 54986), (2894, 30020), (3002, 28940), (3160, 27493), (5788, 15010), (6004, 14470), (7235, 12008), (7505, 11576)]