4640560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:146

約数の個数: 80

約数和(自身を含む): 11784960

約数和(自身を除く): 7144400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 71, 76, 80, 86, 95, 142, 152, 172, 190, 215, 284, 304, 344, 355, 380, 430, 568, 688, 710, 760, 817, 860, 1136, 1349, 1420, 1520, 1634, 1720, 2698, 2840, 3053, 3268, 3440, 4085, 5396, 5680, 6106, 6536, 6745, 8170, 10792, 12212, 13072, 13490, 15265, 16340, 21584, 24424, 26980, 30530, 32680, 48848, 53960, 58007, 61060, 65360, 107920, 116014, 122120, 232028, 244240, 290035, 464056, 580070, 928112, 1160140, 2320280, 4640560]

約数ペア:

[(1, 4640560), (2, 2320280), (4, 1160140), (5, 928112), (8, 580070), (10, 464056), (16, 290035), (19, 244240), (20, 232028), (38, 122120), (40, 116014), (43, 107920), (71, 65360), (76, 61060), (80, 58007), (86, 53960), (95, 48848), (142, 32680), (152, 30530), (172, 26980), (190, 24424), (215, 21584), (284, 16340), (304, 15265), (344, 13490), (355, 13072), (380, 12212), (430, 10792), (568, 8170), (688, 6745), (710, 6536), (760, 6106), (817, 5680), (860, 5396), (1136, 4085), (1349, 3440), (1420, 3268), (1520, 3053), (1634, 2840), (1720, 2698)]