87304520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{128389}}^1$

素因数の和:128417

約数の個数: 32

約数和(自身を含む): 207991800

約数和(自身を除く): 120687280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 128389, 256778, 513556, 641945, 1027112, 1283890, 2182613, 2567780, 4365226, 5135560, 8730452, 10913065, 17460904, 21826130, 43652260, 87304520]

約数ペア:

[(1, 87304520), (2, 43652260), (4, 21826130), (5, 17460904), (8, 10913065), (10, 8730452), (17, 5135560), (20, 4365226), (34, 2567780), (40, 2182613), (68, 1283890), (85, 1027112), (136, 641945), (170, 513556), (340, 256778), (680, 128389)]