1305680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{859}}^1$

素因数の和:891

約数の個数: 40

約数和(自身を含む): 3199200

約数和(自身を除く): 1893520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 859, 1520, 1718, 3436, 4295, 6872, 8590, 13744, 16321, 17180, 32642, 34360, 65284, 68720, 81605, 130568, 163210, 261136, 326420, 652840, 1305680]

約数ペア:

[(1, 1305680), (2, 652840), (4, 326420), (5, 261136), (8, 163210), (10, 130568), (16, 81605), (19, 68720), (20, 65284), (38, 34360), (40, 32642), (76, 17180), (80, 16321), (95, 13744), (152, 8590), (190, 6872), (304, 4295), (380, 3436), (760, 1718), (859, 1520)]