78213040

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{10079}}^1$

素因数の和:10189

約数の個数: 40

約数和(自身を含む): 183738240

約数和(自身を除く): 105525200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 10079, 20158, 40316, 50395, 80632, 100790, 161264, 201580, 403160, 806320, 977663, 1955326, 3910652, 4888315, 7821304, 9776630, 15642608, 19553260, 39106520, 78213040]

約数ペア:

[(1, 78213040), (2, 39106520), (4, 19553260), (5, 15642608), (8, 9776630), (10, 7821304), (16, 4888315), (20, 3910652), (40, 1955326), (80, 977663), (97, 806320), (194, 403160), (388, 201580), (485, 161264), (776, 100790), (970, 80632), (1552, 50395), (1940, 40316), (3880, 20158), (7760, 10079)]