40731520

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2053}}^1$

素因数の和:2103

約数の個数: 64

約数和(自身を含む): 100563840

約数和(自身を除く): 59832320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2053, 2480, 3968, 4106, 4960, 8212, 9920, 10265, 16424, 19840, 20530, 32848, 41060, 63643, 65696, 82120, 127286, 131392, 164240, 254572, 262784, 318215, 328480, 509144, 636430, 656960, 1018288, 1272860, 1313920, 2036576, 2545720, 4073152, 5091440, 8146304, 10182880, 20365760, 40731520]

約数ペア:

[(1, 40731520), (2, 20365760), (4, 10182880), (5, 8146304), (8, 5091440), (10, 4073152), (16, 2545720), (20, 2036576), (31, 1313920), (32, 1272860), (40, 1018288), (62, 656960), (64, 636430), (80, 509144), (124, 328480), (128, 318215), (155, 262784), (160, 254572), (248, 164240), (310, 131392), (320, 127286), (496, 82120), (620, 65696), (640, 63643), (992, 41060), (1240, 32848), (1984, 20530), (2053, 19840), (2480, 16424), (3968, 10265), (4106, 9920), (4960, 8212)]