40938880

素因数分解:

$2^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1361}}^1$

素因数の和:1427

約数の個数: 64

約数和(自身を含む): 100025280

約数和(自身を除く): 59086400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 320, 376, 470, 640, 752, 940, 1361, 1504, 1880, 2722, 3008, 3760, 5444, 6016, 6805, 7520, 10888, 13610, 15040, 21776, 27220, 30080, 43552, 54440, 63967, 87104, 108880, 127934, 174208, 217760, 255868, 319835, 435520, 511736, 639670, 871040, 1023472, 1279340, 2046944, 2558680, 4093888, 5117360, 8187776, 10234720, 20469440, 40938880]

約数ペア:

[(1, 40938880), (2, 20469440), (4, 10234720), (5, 8187776), (8, 5117360), (10, 4093888), (16, 2558680), (20, 2046944), (32, 1279340), (40, 1023472), (47, 871040), (64, 639670), (80, 511736), (94, 435520), (128, 319835), (160, 255868), (188, 217760), (235, 174208), (320, 127934), (376, 108880), (470, 87104), (640, 63967), (752, 54440), (940, 43552), (1361, 30080), (1504, 27220), (1880, 21776), (2722, 15040), (3008, 13610), (3760, 10888), (5444, 7520), (6016, 6805)]