90503620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{1087}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 199600128

約数和(自身を除く): 109096508

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 181, 230, 362, 460, 724, 905, 1087, 1810, 2174, 3620, 4163, 4348, 5435, 8326, 10870, 16652, 20815, 21740, 25001, 41630, 50002, 83260, 100004, 125005, 196747, 250010, 393494, 500020, 786988, 983735, 1967470, 3934940, 4525181, 9050362, 18100724, 22625905, 45251810, 90503620]

約数ペア:

[(1, 90503620), (2, 45251810), (4, 22625905), (5, 18100724), (10, 9050362), (20, 4525181), (23, 3934940), (46, 1967470), (92, 983735), (115, 786988), (181, 500020), (230, 393494), (362, 250010), (460, 196747), (724, 125005), (905, 100004), (1087, 83260), (1810, 50002), (2174, 41630), (3620, 25001), (4163, 21740), (4348, 20815), (5435, 16652), (8326, 10870)]