4485520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 11874240

約数和(自身を除く): 7388720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 227, 247, 260, 304, 380, 454, 494, 520, 760, 908, 988, 1040, 1135, 1235, 1520, 1816, 1976, 2270, 2470, 2951, 3632, 3952, 4313, 4540, 4940, 5902, 8626, 9080, 9880, 11804, 14755, 17252, 18160, 19760, 21565, 23608, 29510, 34504, 43130, 47216, 56069, 59020, 69008, 86260, 112138, 118040, 172520, 224276, 236080, 280345, 345040, 448552, 560690, 897104, 1121380, 2242760, 4485520]

約数ペア:

[(1, 4485520), (2, 2242760), (4, 1121380), (5, 897104), (8, 560690), (10, 448552), (13, 345040), (16, 280345), (19, 236080), (20, 224276), (26, 172520), (38, 118040), (40, 112138), (52, 86260), (65, 69008), (76, 59020), (80, 56069), (95, 47216), (104, 43130), (130, 34504), (152, 29510), (190, 23608), (208, 21565), (227, 19760), (247, 18160), (260, 17252), (304, 14755), (380, 11804), (454, 9880), (494, 9080), (520, 8626), (760, 5902), (908, 4940), (988, 4540), (1040, 4313), (1135, 3952), (1235, 3632), (1520, 2951), (1816, 2470), (1976, 2270)]