40079816

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:442

約数の個数: 64

約数和(自身を含む): 91392000

約数和(自身を除く): 51312184

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 139, 152, 266, 271, 278, 532, 542, 556, 973, 1064, 1084, 1112, 1897, 1946, 2168, 2641, 3794, 3892, 5149, 5282, 7588, 7784, 10298, 10564, 15176, 18487, 20596, 21128, 36043, 36974, 37669, 41192, 72086, 73948, 75338, 144172, 147896, 150676, 263683, 288344, 301352, 527366, 715711, 1054732, 1431422, 2109464, 2862844, 5009977, 5725688, 10019954, 20039908, 40079816]

約数ペア:

[(1, 40079816), (2, 20039908), (4, 10019954), (7, 5725688), (8, 5009977), (14, 2862844), (19, 2109464), (28, 1431422), (38, 1054732), (56, 715711), (76, 527366), (133, 301352), (139, 288344), (152, 263683), (266, 150676), (271, 147896), (278, 144172), (532, 75338), (542, 73948), (556, 72086), (973, 41192), (1064, 37669), (1084, 36974), (1112, 36043), (1897, 21128), (1946, 20596), (2168, 18487), (2641, 15176), (3794, 10564), (3892, 10298), (5149, 7784), (5282, 7588)]