157792000

素因数分解:

$2^8\times 5^3\times {\mathrm{4931}}^1$

素因数の和:4962

約数の個数: 72

約数和(自身を含む): 393159312

約数和(自身を除く): 235367312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 640, 800, 1000, 1280, 1600, 2000, 3200, 4000, 4931, 6400, 8000, 9862, 16000, 19724, 24655, 32000, 39448, 49310, 78896, 98620, 123275, 157792, 197240, 246550, 315584, 394480, 493100, 616375, 631168, 788960, 986200, 1232750, 1262336, 1577920, 1972400, 2465500, 3155840, 3944800, 4931000, 6311680, 7889600, 9862000, 15779200, 19724000, 31558400, 39448000, 78896000, 157792000]

約数ペア:

[(1, 157792000), (2, 78896000), (4, 39448000), (5, 31558400), (8, 19724000), (10, 15779200), (16, 9862000), (20, 7889600), (25, 6311680), (32, 4931000), (40, 3944800), (50, 3155840), (64, 2465500), (80, 1972400), (100, 1577920), (125, 1262336), (128, 1232750), (160, 986200), (200, 788960), (250, 631168), (256, 616375), (320, 493100), (400, 394480), (500, 315584), (640, 246550), (800, 197240), (1000, 157792), (1280, 123275), (1600, 98620), (2000, 78896), (3200, 49310), (4000, 39448), (4931, 32000), (6400, 24655), (8000, 19724), (9862, 16000)]