259601840

素因数分解:

$2^4\times 5^1\times {\mathrm{3245023}}^1$

素因数の和:3245036

約数の個数: 20

約数和(自身を含む): 603574464

約数和(自身を除く): 343972624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3245023, 6490046, 12980092, 16225115, 25960184, 32450230, 51920368, 64900460, 129800920, 259601840]

約数ペア:

[(1, 259601840), (2, 129800920), (4, 64900460), (5, 51920368), (8, 32450230), (10, 25960184), (16, 16225115), (20, 12980092), (40, 6490046), (80, 3245023)]