31940420

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 68923008

約数和(自身を除く): 36982588

約数列:

[1, 2, 4, 5, 10, 20, 73, 131, 146, 167, 262, 292, 334, 365, 524, 655, 668, 730, 835, 1310, 1460, 1670, 2620, 3340, 9563, 12191, 19126, 21877, 24382, 38252, 43754, 47815, 48764, 60955, 87508, 95630, 109385, 121910, 191260, 218770, 243820, 437540, 1597021, 3194042, 6388084, 7985105, 15970210, 31940420]

約数ペア:

[(1, 31940420), (2, 15970210), (4, 7985105), (5, 6388084), (10, 3194042), (20, 1597021), (73, 437540), (131, 243820), (146, 218770), (167, 191260), (262, 121910), (292, 109385), (334, 95630), (365, 87508), (524, 60955), (655, 48764), (668, 47815), (730, 43754), (835, 38252), (1310, 24382), (1460, 21877), (1670, 19126), (2620, 12191), (3340, 9563)]