81467300

素因数分解:

$2^2\times 5^2\times {\mathrm{157}}^1\times {\mathrm{5189}}^1$

素因数の和:5360

約数の個数: 36

約数和(自身を含む): 177944340

約数和(自身を除く): 96477040

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 157, 314, 628, 785, 1570, 3140, 3925, 5189, 7850, 10378, 15700, 20756, 25945, 51890, 103780, 129725, 259450, 518900, 814673, 1629346, 3258692, 4073365, 8146730, 16293460, 20366825, 40733650, 81467300]

約数ペア:

[(1, 81467300), (2, 40733650), (4, 20366825), (5, 16293460), (10, 8146730), (20, 4073365), (25, 3258692), (50, 1629346), (100, 814673), (157, 518900), (314, 259450), (628, 129725), (785, 103780), (1570, 51890), (3140, 25945), (3925, 20756), (5189, 15700), (7850, 10378)]