16808480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8081}}^1$

素因数の和:8109

約数の個数: 48

約数和(自身を含む): 42769944

約数和(自身を除く): 25961464

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 8081, 16162, 32324, 40405, 64648, 80810, 105053, 129296, 161620, 210106, 258592, 323240, 420212, 525265, 646480, 840424, 1050530, 1292960, 1680848, 2101060, 3361696, 4202120, 8404240, 16808480]

約数ペア:

[(1, 16808480), (2, 8404240), (4, 4202120), (5, 3361696), (8, 2101060), (10, 1680848), (13, 1292960), (16, 1050530), (20, 840424), (26, 646480), (32, 525265), (40, 420212), (52, 323240), (65, 258592), (80, 210106), (104, 161620), (130, 129296), (160, 105053), (208, 80810), (260, 64648), (416, 40405), (520, 32324), (1040, 16162), (2080, 8081)]