20384795800

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^2\times {\mathrm{20219}}^1$

素因数の和:20377

約数の個数: 72

約数和(自身を含む): 48073959900

約数和(自身を除く): 27689164100

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1420, 1775, 2840, 3550, 5041, 7100, 10082, 14200, 20164, 20219, 25205, 40328, 40438, 50410, 80876, 100820, 101095, 126025, 161752, 201640, 202190, 252050, 404380, 504100, 505475, 808760, 1008200, 1010950, 1435549, 2021900, 2871098, 4043800, 5742196, 7177745, 11484392, 14355490, 28710980, 35888725, 57421960, 71777450, 101923979, 143554900, 203847958, 287109800, 407695916, 509619895, 815391832, 1019239790, 2038479580, 2548099475, 4076959160, 5096198950, 10192397900, 20384795800]

約数ペア:

[(1, 20384795800), (2, 10192397900), (4, 5096198950), (5, 4076959160), (8, 2548099475), (10, 2038479580), (20, 1019239790), (25, 815391832), (40, 509619895), (50, 407695916), (71, 287109800), (100, 203847958), (142, 143554900), (200, 101923979), (284, 71777450), (355, 57421960), (568, 35888725), (710, 28710980), (1420, 14355490), (1775, 11484392), (2840, 7177745), (3550, 5742196), (5041, 4043800), (7100, 2871098), (10082, 2021900), (14200, 1435549), (20164, 1010950), (20219, 1008200), (25205, 808760), (40328, 505475), (40438, 504100), (50410, 404380), (80876, 252050), (100820, 202190), (101095, 201640), (126025, 161752)]