8640080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6353}}^1$

素因数の和:6383

約数の個数: 40

約数和(自身を含む): 21273192

約数和(自身を除く): 12633112

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 6353, 12706, 25412, 31765, 50824, 63530, 101648, 108001, 127060, 216002, 254120, 432004, 508240, 540005, 864008, 1080010, 1728016, 2160020, 4320040, 8640080]

約数ペア:

[(1, 8640080), (2, 4320040), (4, 2160020), (5, 1728016), (8, 1080010), (10, 864008), (16, 540005), (17, 508240), (20, 432004), (34, 254120), (40, 216002), (68, 127060), (80, 108001), (85, 101648), (136, 63530), (170, 50824), (272, 31765), (340, 25412), (680, 12706), (1360, 6353)]