7320040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2011}}^1$

素因数の和:2042

約数の個数: 64

約数和(自身を含む): 20280960

約数和(自身を除く): 12960920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 2011, 3640, 4022, 8044, 10055, 14077, 16088, 20110, 26143, 28154, 40220, 52286, 56308, 70385, 80440, 104572, 112616, 130715, 140770, 183001, 209144, 261430, 281540, 366002, 522860, 563080, 732004, 915005, 1045720, 1464008, 1830010, 3660020, 7320040]

約数ペア:

[(1, 7320040), (2, 3660020), (4, 1830010), (5, 1464008), (7, 1045720), (8, 915005), (10, 732004), (13, 563080), (14, 522860), (20, 366002), (26, 281540), (28, 261430), (35, 209144), (40, 183001), (52, 140770), (56, 130715), (65, 112616), (70, 104572), (91, 80440), (104, 70385), (130, 56308), (140, 52286), (182, 40220), (260, 28154), (280, 26143), (364, 20110), (455, 16088), (520, 14077), (728, 10055), (910, 8044), (1820, 4022), (2011, 3640)]