17215120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16553}}^1$

素因数の和:16579

約数の個数: 40

約数和(自身を含む): 43106616

約数和(自身を除く): 25891496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 16553, 33106, 66212, 82765, 132424, 165530, 215189, 264848, 331060, 430378, 662120, 860756, 1075945, 1324240, 1721512, 2151890, 3443024, 4303780, 8607560, 17215120]

約数ペア:

[(1, 17215120), (2, 8607560), (4, 4303780), (5, 3443024), (8, 2151890), (10, 1721512), (13, 1324240), (16, 1075945), (20, 860756), (26, 662120), (40, 430378), (52, 331060), (65, 264848), (80, 215189), (104, 165530), (130, 132424), (208, 82765), (260, 66212), (520, 33106), (1040, 16553)]