31905260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{877}}^1$

素因数の和:1010

約数の個数: 48

約数和(自身を含む): 71686944

約数和(自身を除く): 39781684

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 107, 170, 214, 340, 428, 535, 877, 1070, 1754, 1819, 2140, 3508, 3638, 4385, 7276, 8770, 9095, 14909, 17540, 18190, 29818, 36380, 59636, 74545, 93839, 149090, 187678, 298180, 375356, 469195, 938390, 1595263, 1876780, 3190526, 6381052, 7976315, 15952630, 31905260]

約数ペア:

[(1, 31905260), (2, 15952630), (4, 7976315), (5, 6381052), (10, 3190526), (17, 1876780), (20, 1595263), (34, 938390), (68, 469195), (85, 375356), (107, 298180), (170, 187678), (214, 149090), (340, 93839), (428, 74545), (535, 59636), (877, 36380), (1070, 29818), (1754, 18190), (1819, 17540), (2140, 14909), (3508, 9095), (3638, 8770), (4385, 7276)]