1818528080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1337153}}^1$

素因数の和:1337183

約数の個数: 40

約数和(自身を含む): 4476791592

約数和(自身を除く): 2658263512

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 1337153, 2674306, 5348612, 6685765, 10697224, 13371530, 21394448, 22731601, 26743060, 45463202, 53486120, 90926404, 106972240, 113658005, 181852808, 227316010, 363705616, 454632020, 909264040, 1818528080]

約数ペア:

[(1, 1818528080), (2, 909264040), (4, 454632020), (5, 363705616), (8, 227316010), (10, 181852808), (16, 113658005), (17, 106972240), (20, 90926404), (34, 53486120), (40, 45463202), (68, 26743060), (80, 22731601), (85, 21394448), (136, 13371530), (170, 10697224), (272, 6685765), (340, 5348612), (680, 2674306), (1360, 1337153)]