1258741360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{507557}}^1$

素因数の和:507601

約数の個数: 40

約数和(自身を含む): 3020985216

約数和(自身を除く): 1762243856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 507557, 1015114, 2030228, 2537785, 4060456, 5075570, 8120912, 10151140, 15734267, 20302280, 31468534, 40604560, 62937068, 78671335, 125874136, 157342670, 251748272, 314685340, 629370680, 1258741360]

約数ペア:

[(1, 1258741360), (2, 629370680), (4, 314685340), (5, 251748272), (8, 157342670), (10, 125874136), (16, 78671335), (20, 62937068), (31, 40604560), (40, 31468534), (62, 20302280), (80, 15734267), (124, 10151140), (155, 8120912), (248, 5075570), (310, 4060456), (496, 2537785), (620, 2030228), (1240, 1015114), (2480, 507557)]