11822920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 28304640

約数和(自身を除く): 16481720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 71, 92, 115, 142, 181, 184, 230, 284, 355, 362, 460, 568, 710, 724, 905, 920, 1420, 1448, 1633, 1810, 2840, 3266, 3620, 4163, 6532, 7240, 8165, 8326, 12851, 13064, 16330, 16652, 20815, 25702, 32660, 33304, 41630, 51404, 64255, 65320, 83260, 102808, 128510, 166520, 257020, 295573, 514040, 591146, 1182292, 1477865, 2364584, 2955730, 5911460, 11822920]

約数ペア:

[(1, 11822920), (2, 5911460), (4, 2955730), (5, 2364584), (8, 1477865), (10, 1182292), (20, 591146), (23, 514040), (40, 295573), (46, 257020), (71, 166520), (92, 128510), (115, 102808), (142, 83260), (181, 65320), (184, 64255), (230, 51404), (284, 41630), (355, 33304), (362, 32660), (460, 25702), (568, 20815), (710, 16652), (724, 16330), (905, 13064), (920, 12851), (1420, 8326), (1448, 8165), (1633, 7240), (1810, 6532), (2840, 4163), (3266, 3620)]