31456160

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^2\times {\mathrm{89}}^1$

素因数の和:198

約数の個数: 72

約数和(自身を含む): 76783140

約数和(自身を除く): 45326980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 89, 94, 160, 178, 188, 235, 356, 376, 445, 470, 712, 752, 890, 940, 1424, 1504, 1780, 1880, 2209, 2848, 3560, 3760, 4183, 4418, 7120, 7520, 8366, 8836, 11045, 14240, 16732, 17672, 20915, 22090, 33464, 35344, 41830, 44180, 66928, 70688, 83660, 88360, 133856, 167320, 176720, 196601, 334640, 353440, 393202, 669280, 786404, 983005, 1572808, 1966010, 3145616, 3932020, 6291232, 7864040, 15728080, 31456160]

約数ペア:

[(1, 31456160), (2, 15728080), (4, 7864040), (5, 6291232), (8, 3932020), (10, 3145616), (16, 1966010), (20, 1572808), (32, 983005), (40, 786404), (47, 669280), (80, 393202), (89, 353440), (94, 334640), (160, 196601), (178, 176720), (188, 167320), (235, 133856), (356, 88360), (376, 83660), (445, 70688), (470, 66928), (712, 44180), (752, 41830), (890, 35344), (940, 33464), (1424, 22090), (1504, 20915), (1780, 17672), (1880, 16732), (2209, 14240), (2848, 11045), (3560, 8836), (3760, 8366), (4183, 7520), (4418, 7120)]