31540760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{883}}^1$

素因数の和:960

約数の個数: 64

約数和(自身を含む): 76377600

約数和(自身を除く): 44836840

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, 883, 893, 940, 1766, 1786, 1880, 3532, 3572, 4415, 4465, 7064, 7144, 8830, 8930, 16777, 17660, 17860, 33554, 35320, 35720, 41501, 67108, 83002, 83885, 134216, 166004, 167770, 207505, 332008, 335540, 415010, 671080, 788519, 830020, 1577038, 1660040, 3154076, 3942595, 6308152, 7885190, 15770380, 31540760]

約数ペア:

[(1, 31540760), (2, 15770380), (4, 7885190), (5, 6308152), (8, 3942595), (10, 3154076), (19, 1660040), (20, 1577038), (38, 830020), (40, 788519), (47, 671080), (76, 415010), (94, 335540), (95, 332008), (152, 207505), (188, 167770), (190, 166004), (235, 134216), (376, 83885), (380, 83002), (470, 67108), (760, 41501), (883, 35720), (893, 35320), (940, 33554), (1766, 17860), (1786, 17660), (1880, 16777), (3532, 8930), (3572, 8830), (4415, 7144), (4465, 7064)]