39293990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{401}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 72938880

約数和(自身を除く): 33644890

約数列:

[1, 2, 5, 10, 41, 82, 205, 239, 401, 410, 478, 802, 1195, 2005, 2390, 4010, 9799, 16441, 19598, 32882, 48995, 82205, 95839, 97990, 164410, 191678, 479195, 958390, 3929399, 7858798, 19646995, 39293990]

約数ペア:

[(1, 39293990), (2, 19646995), (5, 7858798), (10, 3929399), (41, 958390), (82, 479195), (205, 191678), (239, 164410), (401, 97990), (410, 95839), (478, 82205), (802, 48995), (1195, 32882), (2005, 19598), (2390, 16441), (4010, 9799)]