20136253120

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1\times {\mathrm{1523}}^1$

素因数の和:2142

約数の個数: 112

約数和(自身を含む): 48681192960

約数和(自身を除く): 28544939840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 523, 632, 790, 1046, 1264, 1523, 1580, 2092, 2528, 2615, 3046, 3160, 4184, 5056, 5230, 6092, 6320, 7615, 8368, 10460, 12184, 12640, 15230, 16736, 20920, 24368, 25280, 30460, 33472, 41317, 41840, 48736, 60920, 82634, 83680, 97472, 120317, 121840, 165268, 167360, 206585, 240634, 243680, 330536, 413170, 481268, 487360, 601585, 661072, 796529, 826340, 962536, 1203170, 1322144, 1593058, 1652680, 1925072, 2406340, 2644288, 3186116, 3305360, 3850144, 3982645, 4812680, 6372232, 6610720, 7700288, 7965290, 9625360, 12744464, 13221440, 15930580, 19250720, 25488928, 31861160, 38501440, 50977856, 62925791, 63722320, 125851582, 127444640, 251703164, 254889280, 314628955, 503406328, 629257910, 1006812656, 1258515820, 2013625312, 2517031640, 4027250624, 5034063280, 10068126560, 20136253120]

約数ペア:

[(1, 20136253120), (2, 10068126560), (4, 5034063280), (5, 4027250624), (8, 2517031640), (10, 2013625312), (16, 1258515820), (20, 1006812656), (32, 629257910), (40, 503406328), (64, 314628955), (79, 254889280), (80, 251703164), (158, 127444640), (160, 125851582), (316, 63722320), (320, 62925791), (395, 50977856), (523, 38501440), (632, 31861160), (790, 25488928), (1046, 19250720), (1264, 15930580), (1523, 13221440), (1580, 12744464), (2092, 9625360), (2528, 7965290), (2615, 7700288), (3046, 6610720), (3160, 6372232), (4184, 4812680), (5056, 3982645), (5230, 3850144), (6092, 3305360), (6320, 3186116), (7615, 2644288), (8368, 2406340), (10460, 1925072), (12184, 1652680), (12640, 1593058), (15230, 1322144), (16736, 1203170), (20920, 962536), (24368, 826340), (25280, 796529), (30460, 661072), (33472, 601585), (41317, 487360), (41840, 481268), (48736, 413170), (60920, 330536), (82634, 243680), (83680, 240634), (97472, 206585), (120317, 167360), (121840, 165268)]