8617840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1399}}^1$

素因数の和:1430

約数の個数: 80

約数和(自身を含む): 24998400

約数和(自身を除く): 16380560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1399, 1540, 2798, 3080, 5596, 6160, 6995, 9793, 11192, 13990, 15389, 19586, 22384, 27980, 30778, 39172, 48965, 55960, 61556, 76945, 78344, 97930, 107723, 111920, 123112, 153890, 156688, 195860, 215446, 246224, 307780, 391720, 430892, 538615, 615560, 783440, 861784, 1077230, 1231120, 1723568, 2154460, 4308920, 8617840]

約数ペア:

[(1, 8617840), (2, 4308920), (4, 2154460), (5, 1723568), (7, 1231120), (8, 1077230), (10, 861784), (11, 783440), (14, 615560), (16, 538615), (20, 430892), (22, 391720), (28, 307780), (35, 246224), (40, 215446), (44, 195860), (55, 156688), (56, 153890), (70, 123112), (77, 111920), (80, 107723), (88, 97930), (110, 78344), (112, 76945), (140, 61556), (154, 55960), (176, 48965), (220, 39172), (280, 30778), (308, 27980), (385, 22384), (440, 19586), (560, 15389), (616, 13990), (770, 11192), (880, 9793), (1232, 6995), (1399, 6160), (1540, 5596), (2798, 3080)]