2788897960

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{365039}}^1$

素因数の和:365241

約数の個数: 32

約数和(自身を含む): 6307891200

約数和(自身を除く): 3518993240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 365039, 730078, 1460156, 1825195, 2920312, 3650390, 7300780, 14601560, 69722449, 139444898, 278889796, 348612245, 557779592, 697224490, 1394448980, 2788897960]

約数ペア:

[(1, 2788897960), (2, 1394448980), (4, 697224490), (5, 557779592), (8, 348612245), (10, 278889796), (20, 139444898), (40, 69722449), (191, 14601560), (382, 7300780), (764, 3650390), (955, 2920312), (1528, 1825195), (1910, 1460156), (3820, 730078), (7640, 365039)]