8501440

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{857}}^1$

素因数の和:905

約数の個数: 56

約数和(自身を含む): 20921472

約数和(自身を除く): 12420032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 857, 992, 1240, 1714, 1984, 2480, 3428, 4285, 4960, 6856, 8570, 9920, 13712, 17140, 26567, 27424, 34280, 53134, 54848, 68560, 106268, 132835, 137120, 212536, 265670, 274240, 425072, 531340, 850144, 1062680, 1700288, 2125360, 4250720, 8501440]

約数ペア:

[(1, 8501440), (2, 4250720), (4, 2125360), (5, 1700288), (8, 1062680), (10, 850144), (16, 531340), (20, 425072), (31, 274240), (32, 265670), (40, 212536), (62, 137120), (64, 132835), (80, 106268), (124, 68560), (155, 54848), (160, 53134), (248, 34280), (310, 27424), (320, 26567), (496, 17140), (620, 13712), (857, 9920), (992, 8570), (1240, 6856), (1714, 4960), (1984, 4285), (2480, 3428)]