16626800

素因数分解:

$2^4\times 5^2\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:426

約数の個数: 60

約数和(自身を含む): 40338936

約数和(自身を除く): 23712136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 197, 200, 211, 394, 400, 422, 788, 844, 985, 1055, 1576, 1688, 1970, 2110, 3152, 3376, 3940, 4220, 4925, 5275, 7880, 8440, 9850, 10550, 15760, 16880, 19700, 21100, 39400, 41567, 42200, 78800, 83134, 84400, 166268, 207835, 332536, 415670, 665072, 831340, 1039175, 1662680, 2078350, 3325360, 4156700, 8313400, 16626800]

約数ペア:

[(1, 16626800), (2, 8313400), (4, 4156700), (5, 3325360), (8, 2078350), (10, 1662680), (16, 1039175), (20, 831340), (25, 665072), (40, 415670), (50, 332536), (80, 207835), (100, 166268), (197, 84400), (200, 83134), (211, 78800), (394, 42200), (400, 41567), (422, 39400), (788, 21100), (844, 19700), (985, 16880), (1055, 15760), (1576, 10550), (1688, 9850), (1970, 8440), (2110, 7880), (3152, 5275), (3376, 4925), (3940, 4220)]