64892000

素因数分解:

$2^5\times 5^3\times {\mathrm{16223}}^1$

素因数の和:16248

約数の個数: 48

約数和(自身を含む): 159449472

約数和(自身を除く): 94557472

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, 16223, 32446, 64892, 81115, 129784, 162230, 259568, 324460, 405575, 519136, 648920, 811150, 1297840, 1622300, 2027875, 2595680, 3244600, 4055750, 6489200, 8111500, 12978400, 16223000, 32446000, 64892000]

約数ペア:

[(1, 64892000), (2, 32446000), (4, 16223000), (5, 12978400), (8, 8111500), (10, 6489200), (16, 4055750), (20, 3244600), (25, 2595680), (32, 2027875), (40, 1622300), (50, 1297840), (80, 811150), (100, 648920), (125, 519136), (160, 405575), (200, 324460), (250, 259568), (400, 162230), (500, 129784), (800, 81115), (1000, 64892), (2000, 32446), (4000, 16223)]