99875590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{12821}}^1$

素因数の和:12888

約数の個数: 32

約数和(自身を含む): 193868640

約数和(自身を除く): 93993050

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3895, 7790, 12821, 25642, 64105, 128210, 243599, 487198, 525661, 1051322, 1217995, 2435990, 2628305, 5256610, 9987559, 19975118, 49937795, 99875590]

約数ペア:

[(1, 99875590), (2, 49937795), (5, 19975118), (10, 9987559), (19, 5256610), (38, 2628305), (41, 2435990), (82, 1217995), (95, 1051322), (190, 525661), (205, 487198), (410, 243599), (779, 128210), (1558, 64105), (3895, 25642), (7790, 12821)]