40738120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:598

約数の個数: 64

約数和(自身を含む): 97977600

約数和(自身を除く): 57239480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 139, 170, 278, 340, 431, 556, 680, 695, 862, 1112, 1390, 1724, 2155, 2363, 2780, 3448, 4310, 4726, 5560, 7327, 8620, 9452, 11815, 14654, 17240, 18904, 23630, 29308, 36635, 47260, 58616, 59909, 73270, 94520, 119818, 146540, 239636, 293080, 299545, 479272, 599090, 1018453, 1198180, 2036906, 2396360, 4073812, 5092265, 8147624, 10184530, 20369060, 40738120]

約数ペア:

[(1, 40738120), (2, 20369060), (4, 10184530), (5, 8147624), (8, 5092265), (10, 4073812), (17, 2396360), (20, 2036906), (34, 1198180), (40, 1018453), (68, 599090), (85, 479272), (136, 299545), (139, 293080), (170, 239636), (278, 146540), (340, 119818), (431, 94520), (556, 73270), (680, 59909), (695, 58616), (862, 47260), (1112, 36635), (1390, 29308), (1724, 23630), (2155, 18904), (2363, 17240), (2780, 14654), (3448, 11815), (4310, 9452), (4726, 8620), (5560, 7327)]