8278400

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:236

約数の個数: 96

約数和(自身を含む): 22134000

約数和(自身を除く): 13855600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 199, 200, 208, 260, 320, 325, 398, 400, 416, 520, 640, 650, 796, 800, 832, 995, 1040, 1300, 1592, 1600, 1664, 1990, 2080, 2587, 2600, 3184, 3200, 3980, 4160, 4975, 5174, 5200, 6368, 7960, 8320, 9950, 10348, 10400, 12736, 12935, 15920, 19900, 20696, 20800, 25472, 25870, 31840, 39800, 41392, 41600, 51740, 63680, 64675, 79600, 82784, 103480, 127360, 129350, 159200, 165568, 206960, 258700, 318400, 331136, 413920, 517400, 636800, 827840, 1034800, 1655680, 2069600, 4139200, 8278400]

約数ペア:

[(1, 8278400), (2, 4139200), (4, 2069600), (5, 1655680), (8, 1034800), (10, 827840), (13, 636800), (16, 517400), (20, 413920), (25, 331136), (26, 318400), (32, 258700), (40, 206960), (50, 165568), (52, 159200), (64, 129350), (65, 127360), (80, 103480), (100, 82784), (104, 79600), (128, 64675), (130, 63680), (160, 51740), (199, 41600), (200, 41392), (208, 39800), (260, 31840), (320, 25870), (325, 25472), (398, 20800), (400, 20696), (416, 19900), (520, 15920), (640, 12935), (650, 12736), (796, 10400), (800, 10348), (832, 9950), (995, 8320), (1040, 7960), (1300, 6368), (1592, 5200), (1600, 5174), (1664, 4975), (1990, 4160), (2080, 3980), (2587, 3200), (2600, 3184)]