164946280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2339}}^1$

素因数の和:2434

約数の個数: 64

約数和(自身を含む): 389188800

約数和(自身を除く): 224242520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 820, 860, 1640, 1720, 1763, 2339, 3526, 4678, 7052, 8815, 9356, 11695, 14104, 17630, 18712, 23390, 35260, 46780, 70520, 93560, 95899, 100577, 191798, 201154, 383596, 402308, 479495, 502885, 767192, 804616, 958990, 1005770, 1917980, 2011540, 3835960, 4023080, 4123657, 8247314, 16494628, 20618285, 32989256, 41236570, 82473140, 164946280]

約数ペア:

[(1, 164946280), (2, 82473140), (4, 41236570), (5, 32989256), (8, 20618285), (10, 16494628), (20, 8247314), (40, 4123657), (41, 4023080), (43, 3835960), (82, 2011540), (86, 1917980), (164, 1005770), (172, 958990), (205, 804616), (215, 767192), (328, 502885), (344, 479495), (410, 402308), (430, 383596), (820, 201154), (860, 191798), (1640, 100577), (1720, 95899), (1763, 93560), (2339, 70520), (3526, 46780), (4678, 35260), (7052, 23390), (8815, 18712), (9356, 17630), (11695, 14104)]