78896000

素因数分解:

$2^7\times 5^3\times {\mathrm{4931}}^1$

素因数の和:4960

約数の個数: 64

約数和(自身を含む): 196194960

約数和(自身を除く): 117298960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 640, 800, 1000, 1600, 2000, 3200, 4000, 4931, 8000, 9862, 16000, 19724, 24655, 39448, 49310, 78896, 98620, 123275, 157792, 197240, 246550, 315584, 394480, 493100, 616375, 631168, 788960, 986200, 1232750, 1577920, 1972400, 2465500, 3155840, 3944800, 4931000, 7889600, 9862000, 15779200, 19724000, 39448000, 78896000]

約数ペア:

[(1, 78896000), (2, 39448000), (4, 19724000), (5, 15779200), (8, 9862000), (10, 7889600), (16, 4931000), (20, 3944800), (25, 3155840), (32, 2465500), (40, 1972400), (50, 1577920), (64, 1232750), (80, 986200), (100, 788960), (125, 631168), (128, 616375), (160, 493100), (200, 394480), (250, 315584), (320, 246550), (400, 197240), (500, 157792), (640, 123275), (800, 98620), (1000, 78896), (1600, 49310), (2000, 39448), (3200, 24655), (4000, 19724), (4931, 16000), (8000, 9862)]