40756520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:247

約数の個数: 128

約数和(自身を含む): 113356800

約数和(自身を除く): 72600280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 47, 56, 70, 76, 94, 95, 133, 140, 152, 163, 188, 190, 235, 266, 280, 326, 329, 376, 380, 470, 532, 652, 658, 665, 760, 815, 893, 940, 1064, 1141, 1304, 1316, 1330, 1630, 1645, 1786, 1880, 2282, 2632, 2660, 3097, 3260, 3290, 3572, 4465, 4564, 5320, 5705, 6194, 6251, 6520, 6580, 7144, 7661, 8930, 9128, 11410, 12388, 12502, 13160, 15322, 15485, 17860, 21679, 22820, 24776, 25004, 30644, 30970, 31255, 35720, 38305, 43358, 45640, 50008, 53627, 61288, 61940, 62510, 76610, 86716, 107254, 108395, 123880, 125020, 145559, 153220, 173432, 214508, 216790, 250040, 268135, 291118, 306440, 429016, 433580, 536270, 582236, 727795, 867160, 1018913, 1072540, 1164472, 1455590, 2037826, 2145080, 2911180, 4075652, 5094565, 5822360, 8151304, 10189130, 20378260, 40756520]

約数ペア:

[(1, 40756520), (2, 20378260), (4, 10189130), (5, 8151304), (7, 5822360), (8, 5094565), (10, 4075652), (14, 2911180), (19, 2145080), (20, 2037826), (28, 1455590), (35, 1164472), (38, 1072540), (40, 1018913), (47, 867160), (56, 727795), (70, 582236), (76, 536270), (94, 433580), (95, 429016), (133, 306440), (140, 291118), (152, 268135), (163, 250040), (188, 216790), (190, 214508), (235, 173432), (266, 153220), (280, 145559), (326, 125020), (329, 123880), (376, 108395), (380, 107254), (470, 86716), (532, 76610), (652, 62510), (658, 61940), (665, 61288), (760, 53627), (815, 50008), (893, 45640), (940, 43358), (1064, 38305), (1141, 35720), (1304, 31255), (1316, 30970), (1330, 30644), (1630, 25004), (1645, 24776), (1786, 22820), (1880, 21679), (2282, 17860), (2632, 15485), (2660, 15322), (3097, 13160), (3260, 12502), (3290, 12388), (3572, 11410), (4465, 9128), (4564, 8930), (5320, 7661), (5705, 7144), (6194, 6580), (6251, 6520)]