20172932480

素因数分解:

$2^7\times 5^1\times {\mathrm{199}}^1\times {\mathrm{158393}}^1$

素因数の和:158611

約数の個数: 64

約数和(自身を含む): 48468564000

約数和(自身を除く): 28295631520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 199, 320, 398, 640, 796, 995, 1592, 1990, 3184, 3980, 6368, 7960, 12736, 15920, 25472, 31840, 63680, 127360, 158393, 316786, 633572, 791965, 1267144, 1583930, 2534288, 3167860, 5068576, 6335720, 10137152, 12671440, 20274304, 25342880, 31520207, 50685760, 63040414, 101371520, 126080828, 157601035, 252161656, 315202070, 504323312, 630404140, 1008646624, 1260808280, 2017293248, 2521616560, 4034586496, 5043233120, 10086466240, 20172932480]

約数ペア:

[(1, 20172932480), (2, 10086466240), (4, 5043233120), (5, 4034586496), (8, 2521616560), (10, 2017293248), (16, 1260808280), (20, 1008646624), (32, 630404140), (40, 504323312), (64, 315202070), (80, 252161656), (128, 157601035), (160, 126080828), (199, 101371520), (320, 63040414), (398, 50685760), (640, 31520207), (796, 25342880), (995, 20274304), (1592, 12671440), (1990, 10137152), (3184, 6335720), (3980, 5068576), (6368, 3167860), (7960, 2534288), (12736, 1583930), (15920, 1267144), (25472, 791965), (31840, 633572), (63680, 316786), (127360, 158393)]