8415440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:228

約数の個数: 80

約数和(自身を含む): 21802176

約数和(自身を除く): 13386736

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 73, 80, 88, 110, 131, 146, 176, 220, 262, 292, 365, 440, 524, 584, 655, 730, 803, 880, 1048, 1168, 1310, 1441, 1460, 1606, 2096, 2620, 2882, 2920, 3212, 4015, 5240, 5764, 5840, 6424, 7205, 8030, 9563, 10480, 11528, 12848, 14410, 16060, 19126, 23056, 28820, 32120, 38252, 47815, 57640, 64240, 76504, 95630, 105193, 115280, 153008, 191260, 210386, 382520, 420772, 525965, 765040, 841544, 1051930, 1683088, 2103860, 4207720, 8415440]

約数ペア:

[(1, 8415440), (2, 4207720), (4, 2103860), (5, 1683088), (8, 1051930), (10, 841544), (11, 765040), (16, 525965), (20, 420772), (22, 382520), (40, 210386), (44, 191260), (55, 153008), (73, 115280), (80, 105193), (88, 95630), (110, 76504), (131, 64240), (146, 57640), (176, 47815), (220, 38252), (262, 32120), (292, 28820), (365, 23056), (440, 19126), (524, 16060), (584, 14410), (655, 12848), (730, 11528), (803, 10480), (880, 9563), (1048, 8030), (1168, 7205), (1310, 6424), (1441, 5840), (1460, 5764), (1606, 5240), (2096, 4015), (2620, 3212), (2882, 2920)]