16254080

素因数分解:

$2^7\times 5^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 39382200

約数和(自身を除く): 23128120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 233, 320, 436, 466, 545, 640, 872, 932, 1090, 1165, 1744, 1864, 2180, 2330, 3488, 3728, 4360, 4660, 6976, 7456, 8720, 9320, 13952, 14912, 17440, 18640, 25397, 29824, 34880, 37280, 50794, 69760, 74560, 101588, 126985, 149120, 203176, 253970, 406352, 507940, 812704, 1015880, 1625408, 2031760, 3250816, 4063520, 8127040, 16254080]

約数ペア:

[(1, 16254080), (2, 8127040), (4, 4063520), (5, 3250816), (8, 2031760), (10, 1625408), (16, 1015880), (20, 812704), (32, 507940), (40, 406352), (64, 253970), (80, 203176), (109, 149120), (128, 126985), (160, 101588), (218, 74560), (233, 69760), (320, 50794), (436, 37280), (466, 34880), (545, 29824), (640, 25397), (872, 18640), (932, 17440), (1090, 14912), (1165, 13952), (1744, 9320), (1864, 8720), (2180, 7456), (2330, 6976), (3488, 4660), (3728, 4360)]