40631780

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{5923}}^1$

素因数の和:5953

約数の個数: 48

約数和(自身を含む): 99523200

約数和(自身を除く): 58891420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 5923, 6860, 11846, 23692, 29615, 41461, 59230, 82922, 118460, 165844, 207305, 290227, 414610, 580454, 829220, 1160908, 1451135, 2031589, 2902270, 4063178, 5804540, 8126356, 10157945, 20315890, 40631780]

約数ペア:

[(1, 40631780), (2, 20315890), (4, 10157945), (5, 8126356), (7, 5804540), (10, 4063178), (14, 2902270), (20, 2031589), (28, 1451135), (35, 1160908), (49, 829220), (70, 580454), (98, 414610), (140, 290227), (196, 207305), (245, 165844), (343, 118460), (490, 82922), (686, 59230), (980, 41461), (1372, 29615), (1715, 23692), (3430, 11846), (5923, 6860)]