17923640080

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{21649}}^1$

素因数の和:21872

約数の個数: 80

約数和(自身を含む): 42524064000

約数和(自身を除く): 24600423920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 131, 158, 262, 316, 395, 524, 632, 655, 790, 1048, 1264, 1310, 1580, 2096, 2620, 3160, 5240, 6320, 10349, 10480, 20698, 21649, 41396, 43298, 51745, 82792, 86596, 103490, 108245, 165584, 173192, 206980, 216490, 346384, 413960, 432980, 827920, 865960, 1710271, 1731920, 2836019, 3420542, 5672038, 6841084, 8551355, 11344076, 13682168, 14180095, 17102710, 22688152, 27364336, 28360190, 34205420, 45376304, 56720380, 68410840, 113440760, 136821680, 224045501, 226881520, 448091002, 896182004, 1120227505, 1792364008, 2240455010, 3584728016, 4480910020, 8961820040, 17923640080]

約数ペア:

[(1, 17923640080), (2, 8961820040), (4, 4480910020), (5, 3584728016), (8, 2240455010), (10, 1792364008), (16, 1120227505), (20, 896182004), (40, 448091002), (79, 226881520), (80, 224045501), (131, 136821680), (158, 113440760), (262, 68410840), (316, 56720380), (395, 45376304), (524, 34205420), (632, 28360190), (655, 27364336), (790, 22688152), (1048, 17102710), (1264, 14180095), (1310, 13682168), (1580, 11344076), (2096, 8551355), (2620, 6841084), (3160, 5672038), (5240, 3420542), (6320, 2836019), (10349, 1731920), (10480, 1710271), (20698, 865960), (21649, 827920), (41396, 432980), (43298, 413960), (51745, 346384), (82792, 216490), (86596, 206980), (103490, 173192), (108245, 165584)]