26660080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19603}}^1$

素因数の和:19633

約数の個数: 40

約数和(自身を含む): 65634192

約数和(自身を除く): 38974112

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 19603, 39206, 78412, 98015, 156824, 196030, 313648, 333251, 392060, 666502, 784120, 1333004, 1568240, 1666255, 2666008, 3332510, 5332016, 6665020, 13330040, 26660080]

約数ペア:

[(1, 26660080), (2, 13330040), (4, 6665020), (5, 5332016), (8, 3332510), (10, 2666008), (16, 1666255), (17, 1568240), (20, 1333004), (34, 784120), (40, 666502), (68, 392060), (80, 333251), (85, 313648), (136, 196030), (170, 156824), (272, 98015), (340, 78412), (680, 39206), (1360, 19603)]