1005909820

素因数分解:

$2^2\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{39019}}^1$

素因数の和:40317

約数の個数: 24

約数和(自身を含む): 2114103600

約数和(自身を除く): 1108193780

約数列:

[1, 2, 4, 5, 10, 20, 1289, 2578, 5156, 6445, 12890, 25780, 39019, 78038, 156076, 195095, 390190, 780380, 50295491, 100590982, 201181964, 251477455, 502954910, 1005909820]

約数ペア:

[(1, 1005909820), (2, 502954910), (4, 251477455), (5, 201181964), (10, 100590982), (20, 50295491), (1289, 780380), (2578, 390190), (5156, 195095), (6445, 156076), (12890, 78038), (25780, 39019)]