39892000

素因数分解:

$2^5\times 5^3\times {\mathrm{9973}}^1$

素因数の和:9998

約数の個数: 48

約数和(自身を含む): 98024472

約数和(自身を除く): 58132472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 9973, 19946, 39892, 49865, 79784, 99730, 159568, 199460, 249325, 319136, 398920, 498650, 797840, 997300, 1246625, 1595680, 1994600, 2493250, 3989200, 4986500, 7978400, 9973000, 19946000, 39892000]

約数ペア:

[(1, 39892000), (2, 19946000), (4, 9973000), (5, 7978400), (8, 4986500), (10, 3989200), (16, 2493250), (20, 1994600), (25, 1595680), (32, 1246625), (40, 997300), (50, 797840), (80, 498650), (100, 398920), (125, 319136), (160, 249325), (200, 199460), (250, 159568), (400, 99730), (500, 79784), (800, 49865), (1000, 39892), (2000, 19946), (4000, 9973)]