40046680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 103680000

約数和(自身を除く): 63633320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 29, 38, 40, 46, 58, 76, 79, 92, 95, 115, 116, 145, 152, 158, 184, 190, 230, 232, 290, 316, 380, 395, 437, 460, 551, 580, 632, 667, 760, 790, 874, 920, 1102, 1160, 1334, 1501, 1580, 1748, 1817, 2185, 2204, 2291, 2668, 2755, 3002, 3160, 3335, 3496, 3634, 4370, 4408, 4582, 5336, 5510, 6004, 6670, 7268, 7505, 8740, 9085, 9164, 11020, 11455, 12008, 12673, 13340, 14536, 15010, 17480, 18170, 18328, 22040, 22910, 25346, 26680, 30020, 34523, 36340, 43529, 45820, 50692, 52693, 60040, 63365, 69046, 72680, 87058, 91640, 101384, 105386, 126730, 138092, 172615, 174116, 210772, 217645, 253460, 263465, 276184, 345230, 348232, 421544, 435290, 506920, 526930, 690460, 870580, 1001167, 1053860, 1380920, 1741160, 2002334, 2107720, 4004668, 5005835, 8009336, 10011670, 20023340, 40046680]

約数ペア:

[(1, 40046680), (2, 20023340), (4, 10011670), (5, 8009336), (8, 5005835), (10, 4004668), (19, 2107720), (20, 2002334), (23, 1741160), (29, 1380920), (38, 1053860), (40, 1001167), (46, 870580), (58, 690460), (76, 526930), (79, 506920), (92, 435290), (95, 421544), (115, 348232), (116, 345230), (145, 276184), (152, 263465), (158, 253460), (184, 217645), (190, 210772), (230, 174116), (232, 172615), (290, 138092), (316, 126730), (380, 105386), (395, 101384), (437, 91640), (460, 87058), (551, 72680), (580, 69046), (632, 63365), (667, 60040), (760, 52693), (790, 50692), (874, 45820), (920, 43529), (1102, 36340), (1160, 34523), (1334, 30020), (1501, 26680), (1580, 25346), (1748, 22910), (1817, 22040), (2185, 18328), (2204, 18170), (2291, 17480), (2668, 15010), (2755, 14536), (3002, 13340), (3160, 12673), (3335, 12008), (3496, 11455), (3634, 11020), (4370, 9164), (4408, 9085), (4582, 8740), (5336, 7505), (5510, 7268), (6004, 6670)]