11940220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 26526528

約数和(自身を除く): 14586308

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 101, 115, 202, 230, 257, 404, 460, 505, 514, 1010, 1028, 1285, 2020, 2323, 2570, 4646, 5140, 5911, 9292, 11615, 11822, 23230, 23644, 25957, 29555, 46460, 51914, 59110, 103828, 118220, 129785, 259570, 519140, 597011, 1194022, 2388044, 2985055, 5970110, 11940220]

約数ペア:

[(1, 11940220), (2, 5970110), (4, 2985055), (5, 2388044), (10, 1194022), (20, 597011), (23, 519140), (46, 259570), (92, 129785), (101, 118220), (115, 103828), (202, 59110), (230, 51914), (257, 46460), (404, 29555), (460, 25957), (505, 23644), (514, 23230), (1010, 11822), (1028, 11615), (1285, 9292), (2020, 5911), (2323, 5140), (2570, 4646)]