8307520

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1997}}^1$

素因数の和:2027

約数の個数: 56

約数和(自身を含む): 21314664

約数和(自身を除く): 13007144

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 1997, 2080, 3994, 4160, 7988, 9985, 15976, 19970, 25961, 31952, 39940, 51922, 63904, 79880, 103844, 127808, 129805, 159760, 207688, 259610, 319520, 415376, 519220, 639040, 830752, 1038440, 1661504, 2076880, 4153760, 8307520]

約数ペア:

[(1, 8307520), (2, 4153760), (4, 2076880), (5, 1661504), (8, 1038440), (10, 830752), (13, 639040), (16, 519220), (20, 415376), (26, 319520), (32, 259610), (40, 207688), (52, 159760), (64, 129805), (65, 127808), (80, 103844), (104, 79880), (130, 63904), (160, 51922), (208, 39940), (260, 31952), (320, 25961), (416, 19970), (520, 15976), (832, 9985), (1040, 7988), (1997, 4160), (2080, 3994)]