9090520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 21954240

約数和(自身を除く): 12863720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 82, 92, 115, 164, 184, 205, 230, 241, 328, 410, 460, 482, 820, 920, 943, 964, 1205, 1640, 1886, 1928, 2410, 3772, 4715, 4820, 5543, 7544, 9430, 9640, 9881, 11086, 18860, 19762, 22172, 27715, 37720, 39524, 44344, 49405, 55430, 79048, 98810, 110860, 197620, 221720, 227263, 395240, 454526, 909052, 1136315, 1818104, 2272630, 4545260, 9090520]

約数ペア:

[(1, 9090520), (2, 4545260), (4, 2272630), (5, 1818104), (8, 1136315), (10, 909052), (20, 454526), (23, 395240), (40, 227263), (41, 221720), (46, 197620), (82, 110860), (92, 98810), (115, 79048), (164, 55430), (184, 49405), (205, 44344), (230, 39524), (241, 37720), (328, 27715), (410, 22172), (460, 19762), (482, 18860), (820, 11086), (920, 9881), (943, 9640), (964, 9430), (1205, 7544), (1640, 5543), (1886, 4820), (1928, 4715), (2410, 3772)]