87694720

素因数分解:

$2^7\times 5^1\times {\mathrm{263}}^1\times {\mathrm{521}}^1$

素因数の和:803

約数の個数: 64

約数和(自身を含む): 210846240

約数和(自身を除く): 123151520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 263, 320, 521, 526, 640, 1042, 1052, 1315, 2084, 2104, 2605, 2630, 4168, 4208, 5210, 5260, 8336, 8416, 10420, 10520, 16672, 16832, 20840, 21040, 33344, 33664, 41680, 42080, 66688, 83360, 84160, 137023, 166720, 168320, 274046, 333440, 548092, 685115, 1096184, 1370230, 2192368, 2740460, 4384736, 5480920, 8769472, 10961840, 17538944, 21923680, 43847360, 87694720]

約数ペア:

[(1, 87694720), (2, 43847360), (4, 21923680), (5, 17538944), (8, 10961840), (10, 8769472), (16, 5480920), (20, 4384736), (32, 2740460), (40, 2192368), (64, 1370230), (80, 1096184), (128, 685115), (160, 548092), (263, 333440), (320, 274046), (521, 168320), (526, 166720), (640, 137023), (1042, 84160), (1052, 83360), (1315, 66688), (2084, 42080), (2104, 41680), (2605, 33664), (2630, 33344), (4168, 21040), (4208, 20840), (5210, 16832), (5260, 16672), (8336, 10520), (8416, 10420)]