2667160

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{509}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 6058800

約数和(自身を除く): 3391640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 509, 524, 655, 1018, 1048, 1310, 2036, 2545, 2620, 4072, 5090, 5240, 10180, 20360, 66679, 133358, 266716, 333395, 533432, 666790, 1333580, 2667160]

約数ペア:

[(1, 2667160), (2, 1333580), (4, 666790), (5, 533432), (8, 333395), (10, 266716), (20, 133358), (40, 66679), (131, 20360), (262, 10180), (509, 5240), (524, 5090), (655, 4072), (1018, 2620), (1048, 2545), (1310, 2036)]