40482040

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 94815360

約数和(自身を除く): 54333320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 61, 94, 122, 188, 235, 244, 305, 353, 376, 470, 488, 610, 706, 940, 1220, 1412, 1765, 1880, 2440, 2824, 2867, 3530, 5734, 7060, 11468, 14120, 14335, 16591, 21533, 22936, 28670, 33182, 43066, 57340, 66364, 82955, 86132, 107665, 114680, 132728, 165910, 172264, 215330, 331820, 430660, 663640, 861320, 1012051, 2024102, 4048204, 5060255, 8096408, 10120510, 20241020, 40482040]

約数ペア:

[(1, 40482040), (2, 20241020), (4, 10120510), (5, 8096408), (8, 5060255), (10, 4048204), (20, 2024102), (40, 1012051), (47, 861320), (61, 663640), (94, 430660), (122, 331820), (188, 215330), (235, 172264), (244, 165910), (305, 132728), (353, 114680), (376, 107665), (470, 86132), (488, 82955), (610, 66364), (706, 57340), (940, 43066), (1220, 33182), (1412, 28670), (1765, 22936), (1880, 21533), (2440, 16591), (2824, 14335), (2867, 14120), (3530, 11468), (5734, 7060)]