40784660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41617}}^1$

素因数の和:41640

約数の個数: 36

約数和(自身を含む): 99633492

約数和(自身を除く): 58848832

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 41617, 83234, 166468, 208085, 291319, 416170, 582638, 832340, 1165276, 1456595, 2039233, 2913190, 4078466, 5826380, 8156932, 10196165, 20392330, 40784660]

約数ペア:

[(1, 40784660), (2, 20392330), (4, 10196165), (5, 8156932), (7, 5826380), (10, 4078466), (14, 2913190), (20, 2039233), (28, 1456595), (35, 1165276), (49, 832340), (70, 582638), (98, 416170), (140, 291319), (196, 208085), (245, 166468), (490, 83234), (980, 41617)]