15678470840

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{919}}^1\times {\mathrm{4397}}^1$

素因数の和:5424

約数の個数: 64

約数和(自身を含む): 35687131200

約数和(自身を除く): 20008660360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 919, 970, 1838, 1940, 3676, 3880, 4397, 4595, 7352, 8794, 9190, 17588, 18380, 21985, 35176, 36760, 43970, 87940, 89143, 175880, 178286, 356572, 426509, 445715, 713144, 853018, 891430, 1706036, 1782860, 2132545, 3412072, 3565720, 4040843, 4265090, 8081686, 8530180, 16163372, 17060360, 20204215, 32326744, 40408430, 80816860, 161633720, 391961771, 783923542, 1567847084, 1959808855, 3135694168, 3919617710, 7839235420, 15678470840]

約数ペア:

[(1, 15678470840), (2, 7839235420), (4, 3919617710), (5, 3135694168), (8, 1959808855), (10, 1567847084), (20, 783923542), (40, 391961771), (97, 161633720), (194, 80816860), (388, 40408430), (485, 32326744), (776, 20204215), (919, 17060360), (970, 16163372), (1838, 8530180), (1940, 8081686), (3676, 4265090), (3880, 4040843), (4397, 3565720), (4595, 3412072), (7352, 2132545), (8794, 1782860), (9190, 1706036), (17588, 891430), (18380, 853018), (21985, 713144), (35176, 445715), (36760, 426509), (43970, 356572), (87940, 178286), (89143, 175880)]