16868409820

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{659}}^1\times {\mathrm{5099}}^1$

素因数の和:6018

約数の個数: 48

約数和(自身を含む): 35625744000

約数和(自身を除く): 18757334180

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 659, 1004, 1255, 1318, 2510, 2636, 3295, 5020, 5099, 6590, 10198, 13180, 20396, 25495, 50990, 101980, 165409, 330818, 661636, 827045, 1279849, 1654090, 2559698, 3308180, 3360241, 5119396, 6399245, 6720482, 12798490, 13440964, 16801205, 25596980, 33602410, 67204820, 843420491, 1686840982, 3373681964, 4217102455, 8434204910, 16868409820]

約数ペア:

[(1, 16868409820), (2, 8434204910), (4, 4217102455), (5, 3373681964), (10, 1686840982), (20, 843420491), (251, 67204820), (502, 33602410), (659, 25596980), (1004, 16801205), (1255, 13440964), (1318, 12798490), (2510, 6720482), (2636, 6399245), (3295, 5119396), (5020, 3360241), (5099, 3308180), (6590, 2559698), (10198, 1654090), (13180, 1279849), (20396, 827045), (25495, 661636), (50990, 330818), (101980, 165409)]