13195120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8681}}^1$

素因数の和:8713

約数の個数: 40

約数和(自身を含む): 32297040

約数和(自身を除く): 19101920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 8681, 17362, 34724, 43405, 69448, 86810, 138896, 164939, 173620, 329878, 347240, 659756, 694480, 824695, 1319512, 1649390, 2639024, 3298780, 6597560, 13195120]

約数ペア:

[(1, 13195120), (2, 6597560), (4, 3298780), (5, 2639024), (8, 1649390), (10, 1319512), (16, 824695), (19, 694480), (20, 659756), (38, 347240), (40, 329878), (76, 173620), (80, 164939), (95, 138896), (152, 86810), (190, 69448), (304, 43405), (380, 34724), (760, 17362), (1520, 8681)]