8340080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:354

約数の個数: 80

約数和(自身を含む): 22659264

約数和(自身を除く): 14319184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 281, 371, 424, 530, 560, 562, 742, 848, 1060, 1124, 1405, 1484, 1855, 1967, 2120, 2248, 2810, 2968, 3710, 3934, 4240, 4496, 5620, 5936, 7420, 7868, 9835, 11240, 14840, 14893, 15736, 19670, 22480, 29680, 29786, 31472, 39340, 59572, 74465, 78680, 104251, 119144, 148930, 157360, 208502, 238288, 297860, 417004, 521255, 595720, 834008, 1042510, 1191440, 1668016, 2085020, 4170040, 8340080]

約数ペア:

[(1, 8340080), (2, 4170040), (4, 2085020), (5, 1668016), (7, 1191440), (8, 1042510), (10, 834008), (14, 595720), (16, 521255), (20, 417004), (28, 297860), (35, 238288), (40, 208502), (53, 157360), (56, 148930), (70, 119144), (80, 104251), (106, 78680), (112, 74465), (140, 59572), (212, 39340), (265, 31472), (280, 29786), (281, 29680), (371, 22480), (424, 19670), (530, 15736), (560, 14893), (562, 14840), (742, 11240), (848, 9835), (1060, 7868), (1124, 7420), (1405, 5936), (1484, 5620), (1855, 4496), (1967, 4240), (2120, 3934), (2248, 3710), (2810, 2968)]