13220860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{701}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 29719872

約数和(自身を除く): 16499012

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 701, 820, 943, 1402, 1886, 2804, 3505, 3772, 4715, 7010, 9430, 14020, 16123, 18860, 28741, 32246, 57482, 64492, 80615, 114964, 143705, 161230, 287410, 322460, 574820, 661043, 1322086, 2644172, 3305215, 6610430, 13220860]

約数ペア:

[(1, 13220860), (2, 6610430), (4, 3305215), (5, 2644172), (10, 1322086), (20, 661043), (23, 574820), (41, 322460), (46, 287410), (82, 161230), (92, 143705), (115, 114964), (164, 80615), (205, 64492), (230, 57482), (410, 32246), (460, 28741), (701, 18860), (820, 16123), (943, 14020), (1402, 9430), (1886, 7010), (2804, 4715), (3505, 3772)]