8005840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:284

約数の個数: 80

約数和(自身を含む): 20534400

約数和(自身を除く): 12528560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 229, 230, 304, 368, 380, 437, 458, 460, 760, 874, 916, 920, 1145, 1520, 1748, 1832, 1840, 2185, 2290, 3496, 3664, 4351, 4370, 4580, 5267, 6992, 8702, 8740, 9160, 10534, 17404, 17480, 18320, 21068, 21755, 26335, 34808, 34960, 42136, 43510, 52670, 69616, 84272, 87020, 100073, 105340, 174040, 200146, 210680, 348080, 400292, 421360, 500365, 800584, 1000730, 1601168, 2001460, 4002920, 8005840]

約数ペア:

[(1, 8005840), (2, 4002920), (4, 2001460), (5, 1601168), (8, 1000730), (10, 800584), (16, 500365), (19, 421360), (20, 400292), (23, 348080), (38, 210680), (40, 200146), (46, 174040), (76, 105340), (80, 100073), (92, 87020), (95, 84272), (115, 69616), (152, 52670), (184, 43510), (190, 42136), (229, 34960), (230, 34808), (304, 26335), (368, 21755), (380, 21068), (437, 18320), (458, 17480), (460, 17404), (760, 10534), (874, 9160), (916, 8740), (920, 8702), (1145, 6992), (1520, 5267), (1748, 4580), (1832, 4370), (1840, 4351), (2185, 3664), (2290, 3496)]