38970520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1091}}^1$

素因数の和:1168

約数の個数: 64

約数和(自身を含む): 94348800

約数和(自身を除く): 55378280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 376, 380, 470, 760, 893, 940, 1091, 1786, 1880, 2182, 3572, 4364, 4465, 5455, 7144, 8728, 8930, 10910, 17860, 20729, 21820, 35720, 41458, 43640, 51277, 82916, 102554, 103645, 165832, 205108, 207290, 256385, 410216, 414580, 512770, 829160, 974263, 1025540, 1948526, 2051080, 3897052, 4871315, 7794104, 9742630, 19485260, 38970520]

約数ペア:

[(1, 38970520), (2, 19485260), (4, 9742630), (5, 7794104), (8, 4871315), (10, 3897052), (19, 2051080), (20, 1948526), (38, 1025540), (40, 974263), (47, 829160), (76, 512770), (94, 414580), (95, 410216), (152, 256385), (188, 207290), (190, 205108), (235, 165832), (376, 103645), (380, 102554), (470, 82916), (760, 51277), (893, 43640), (940, 41458), (1091, 35720), (1786, 21820), (1880, 20729), (2182, 17860), (3572, 10910), (4364, 8930), (4465, 8728), (5455, 7144)]