11912920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{17519}}^1$

素因数の和:17547

約数の個数: 32

約数和(自身を含む): 28382400

約数和(自身を除く): 16469480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 17519, 35038, 70076, 87595, 140152, 175190, 297823, 350380, 595646, 700760, 1191292, 1489115, 2382584, 2978230, 5956460, 11912920]

約数ペア:

[(1, 11912920), (2, 5956460), (4, 2978230), (5, 2382584), (8, 1489115), (10, 1191292), (17, 700760), (20, 595646), (34, 350380), (40, 297823), (68, 175190), (85, 140152), (136, 87595), (170, 70076), (340, 35038), (680, 17519)]