80558350

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:565

約数の個数: 48

約数和(自身を含む): 155414160

約数和(自身を除く): 74855810

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 89, 178, 215, 421, 430, 445, 842, 890, 1075, 2105, 2150, 2225, 3827, 4210, 4450, 7654, 10525, 18103, 19135, 21050, 36206, 37469, 38270, 74938, 90515, 95675, 181030, 187345, 191350, 374690, 452575, 905150, 936725, 1611167, 1873450, 3222334, 8055835, 16111670, 40279175, 80558350]

約数ペア:

[(1, 80558350), (2, 40279175), (5, 16111670), (10, 8055835), (25, 3222334), (43, 1873450), (50, 1611167), (86, 936725), (89, 905150), (178, 452575), (215, 374690), (421, 191350), (430, 187345), (445, 181030), (842, 95675), (890, 90515), (1075, 74938), (2105, 38270), (2150, 37469), (2225, 36206), (3827, 21050), (4210, 19135), (4450, 18103), (7654, 10525)]