19422400

素因数分解:

$2^6\times 5^2\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:282

約数の個数: 84

約数和(自身を含む): 48818800

約数和(自身を除く): 29396400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 100, 122, 160, 199, 200, 244, 305, 320, 398, 400, 488, 610, 796, 800, 976, 995, 1220, 1525, 1592, 1600, 1952, 1990, 2440, 3050, 3184, 3904, 3980, 4880, 4975, 6100, 6368, 7960, 9760, 9950, 12139, 12200, 12736, 15920, 19520, 19900, 24278, 24400, 31840, 39800, 48556, 48800, 60695, 63680, 79600, 97112, 97600, 121390, 159200, 194224, 242780, 303475, 318400, 388448, 485560, 606950, 776896, 971120, 1213900, 1942240, 2427800, 3884480, 4855600, 9711200, 19422400]

約数ペア:

[(1, 19422400), (2, 9711200), (4, 4855600), (5, 3884480), (8, 2427800), (10, 1942240), (16, 1213900), (20, 971120), (25, 776896), (32, 606950), (40, 485560), (50, 388448), (61, 318400), (64, 303475), (80, 242780), (100, 194224), (122, 159200), (160, 121390), (199, 97600), (200, 97112), (244, 79600), (305, 63680), (320, 60695), (398, 48800), (400, 48556), (488, 39800), (610, 31840), (796, 24400), (800, 24278), (976, 19900), (995, 19520), (1220, 15920), (1525, 12736), (1592, 12200), (1600, 12139), (1952, 9950), (1990, 9760), (2440, 7960), (3050, 6368), (3184, 6100), (3904, 4975), (3980, 4880)]