13213040

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:246

約数の個数: 80

約数和(自身を含む): 32997888

約数和(自身を除く): 19784848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 43, 46, 80, 86, 92, 115, 167, 172, 184, 215, 230, 334, 344, 368, 430, 460, 668, 688, 835, 860, 920, 989, 1336, 1670, 1720, 1840, 1978, 2672, 3340, 3440, 3841, 3956, 4945, 6680, 7181, 7682, 7912, 9890, 13360, 14362, 15364, 15824, 19205, 19780, 28724, 30728, 35905, 38410, 39560, 57448, 61456, 71810, 76820, 79120, 114896, 143620, 153640, 165163, 287240, 307280, 330326, 574480, 660652, 825815, 1321304, 1651630, 2642608, 3303260, 6606520, 13213040]

約数ペア:

[(1, 13213040), (2, 6606520), (4, 3303260), (5, 2642608), (8, 1651630), (10, 1321304), (16, 825815), (20, 660652), (23, 574480), (40, 330326), (43, 307280), (46, 287240), (80, 165163), (86, 153640), (92, 143620), (115, 114896), (167, 79120), (172, 76820), (184, 71810), (215, 61456), (230, 57448), (334, 39560), (344, 38410), (368, 35905), (430, 30728), (460, 28724), (668, 19780), (688, 19205), (835, 15824), (860, 15364), (920, 14362), (989, 13360), (1336, 9890), (1670, 7912), (1720, 7682), (1840, 7181), (1978, 6680), (2672, 4945), (3340, 3956), (3440, 3841)]