8887775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:116

約数の個数: 48

約数和(自身を含む): 13124160

約数和(自身を除く): 4236385

約数列:

[1, 5, 13, 23, 25, 29, 41, 65, 115, 145, 205, 299, 325, 377, 533, 575, 667, 725, 943, 1025, 1189, 1495, 1885, 2665, 3335, 4715, 5945, 7475, 8671, 9425, 12259, 13325, 15457, 16675, 23575, 27347, 29725, 43355, 61295, 77285, 136735, 216775, 306475, 355511, 386425, 683675, 1777555, 8887775]

約数ペア:

[(1, 8887775), (5, 1777555), (13, 683675), (23, 386425), (25, 355511), (29, 306475), (41, 216775), (65, 136735), (115, 77285), (145, 61295), (205, 43355), (299, 29725), (325, 27347), (377, 23575), (533, 16675), (575, 15457), (667, 13325), (725, 12259), (943, 9425), (1025, 8671), (1189, 7475), (1495, 5945), (1885, 4715), (2665, 3335)]