1296292520

素因数分解:

$2^3\times 5^1\times {\mathrm{677}}^1\times {\mathrm{47869}}^1$

素因数の和:48557

約数の個数: 32

約数和(自身を含む): 2921027400

約数和(自身を除く): 1624734880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 677, 1354, 2708, 3385, 5416, 6770, 13540, 27080, 47869, 95738, 191476, 239345, 382952, 478690, 957380, 1914760, 32407313, 64814626, 129629252, 162036565, 259258504, 324073130, 648146260, 1296292520]

約数ペア:

[(1, 1296292520), (2, 648146260), (4, 324073130), (5, 259258504), (8, 162036565), (10, 129629252), (20, 64814626), (40, 32407313), (677, 1914760), (1354, 957380), (2708, 478690), (3385, 382952), (5416, 239345), (6770, 191476), (13540, 95738), (27080, 47869)]