53125040

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:330

約数の個数: 80

約数和(自身を含む): 128563200

約数和(自身を除く): 75438160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 71, 80, 94, 142, 188, 199, 235, 284, 355, 376, 398, 470, 568, 710, 752, 796, 940, 995, 1136, 1420, 1592, 1880, 1990, 2840, 3184, 3337, 3760, 3980, 5680, 6674, 7960, 9353, 13348, 14129, 15920, 16685, 18706, 26696, 28258, 33370, 37412, 46765, 53392, 56516, 66740, 70645, 74824, 93530, 113032, 133480, 141290, 149648, 187060, 226064, 266960, 282580, 374120, 565160, 664063, 748240, 1130320, 1328126, 2656252, 3320315, 5312504, 6640630, 10625008, 13281260, 26562520, 53125040]

約数ペア:

[(1, 53125040), (2, 26562520), (4, 13281260), (5, 10625008), (8, 6640630), (10, 5312504), (16, 3320315), (20, 2656252), (40, 1328126), (47, 1130320), (71, 748240), (80, 664063), (94, 565160), (142, 374120), (188, 282580), (199, 266960), (235, 226064), (284, 187060), (355, 149648), (376, 141290), (398, 133480), (470, 113032), (568, 93530), (710, 74824), (752, 70645), (796, 66740), (940, 56516), (995, 53392), (1136, 46765), (1420, 37412), (1592, 33370), (1880, 28258), (1990, 26696), (2840, 18706), (3184, 16685), (3337, 15920), (3760, 14129), (3980, 13348), (5680, 9353), (6674, 7960)]