90628660

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{63823}}^1$

素因数の和:63903

約数の個数: 24

約数和(自身を含む): 193003776

約数和(自身を除く): 102375116

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 63823, 127646, 255292, 319115, 638230, 1276460, 4531433, 9062866, 18125732, 22657165, 45314330, 90628660]

約数ペア:

[(1, 90628660), (2, 45314330), (4, 22657165), (5, 18125732), (10, 9062866), (20, 4531433), (71, 1276460), (142, 638230), (284, 319115), (355, 255292), (710, 127646), (1420, 63823)]