1004080405040

素因数分解:

$2^4\times 5^1\times {\mathrm{12551005063}}^1$

素因数の和:12551005076

約数の個数: 20

約数和(自身を含む): 2334486941904

約数和(自身を除く): 1330406536864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12551005063, 25102010126, 50204020252, 62755025315, 100408040504, 125510050630, 200816081008, 251020101260, 502040202520, 1004080405040]

約数ペア:

[(1, 1004080405040), (2, 502040202520), (4, 251020101260), (5, 200816081008), (8, 125510050630), (10, 100408040504), (16, 62755025315), (20, 50204020252), (40, 25102010126), (80, 12551005063)]