805100

素因数分解:

$2^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:194

約数の個数: 36

約数和(自身を含む): 1786344

約数和(自身を除く): 981244

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 83, 97, 100, 166, 194, 332, 388, 415, 485, 830, 970, 1660, 1940, 2075, 2425, 4150, 4850, 8051, 8300, 9700, 16102, 32204, 40255, 80510, 161020, 201275, 402550, 805100]

約数ペア:

[(1, 805100), (2, 402550), (4, 201275), (5, 161020), (10, 80510), (20, 40255), (25, 32204), (50, 16102), (83, 9700), (97, 8300), (100, 8051), (166, 4850), (194, 4150), (332, 2425), (388, 2075), (415, 1940), (485, 1660), (830, 970)]