19580453840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^2\times {\mathrm{2111}}^1$

素因数の和:2289

約数の個数: 120

約数和(自身を含む): 48205200384

約数和(自身を除く): 28624746544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 71, 80, 92, 115, 142, 184, 230, 284, 355, 368, 460, 568, 710, 920, 1136, 1420, 1633, 1840, 2111, 2840, 3266, 4222, 5041, 5680, 6532, 8165, 8444, 10082, 10555, 13064, 16330, 16888, 20164, 21110, 25205, 26128, 32660, 33776, 40328, 42220, 48553, 50410, 65320, 80656, 84440, 97106, 100820, 115943, 130640, 149881, 168880, 194212, 201640, 231886, 242765, 299762, 388424, 403280, 463772, 485530, 579715, 599524, 749405, 776848, 927544, 971060, 1159430, 1199048, 1498810, 1855088, 1942120, 2318860, 2398096, 2997620, 3447263, 3884240, 4637720, 5995240, 6894526, 9275440, 10641551, 11990480, 13789052, 17236315, 21283102, 27578104, 34472630, 42566204, 53207755, 55156208, 68945260, 85132408, 106415510, 137890520, 170264816, 212831020, 244755673, 275781040, 425662040, 489511346, 851324080, 979022692, 1223778365, 1958045384, 2447556730, 3916090768, 4895113460, 9790226920, 19580453840]

約数ペア:

[(1, 19580453840), (2, 9790226920), (4, 4895113460), (5, 3916090768), (8, 2447556730), (10, 1958045384), (16, 1223778365), (20, 979022692), (23, 851324080), (40, 489511346), (46, 425662040), (71, 275781040), (80, 244755673), (92, 212831020), (115, 170264816), (142, 137890520), (184, 106415510), (230, 85132408), (284, 68945260), (355, 55156208), (368, 53207755), (460, 42566204), (568, 34472630), (710, 27578104), (920, 21283102), (1136, 17236315), (1420, 13789052), (1633, 11990480), (1840, 10641551), (2111, 9275440), (2840, 6894526), (3266, 5995240), (4222, 4637720), (5041, 3884240), (5680, 3447263), (6532, 2997620), (8165, 2398096), (8444, 2318860), (10082, 1942120), (10555, 1855088), (13064, 1498810), (16330, 1199048), (16888, 1159430), (20164, 971060), (21110, 927544), (25205, 776848), (26128, 749405), (32660, 599524), (33776, 579715), (40328, 485530), (42220, 463772), (48553, 403280), (50410, 388424), (65320, 299762), (80656, 242765), (84440, 231886), (97106, 201640), (100820, 194212), (115943, 168880), (130640, 149881)]