80133640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1087}}^1$

素因数の和:1214

約数の個数: 64

約数和(自身を含む): 191923200

約数和(自身を除く): 111789560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 97, 152, 190, 194, 380, 388, 485, 760, 776, 970, 1087, 1843, 1940, 2174, 3686, 3880, 4348, 5435, 7372, 8696, 9215, 10870, 14744, 18430, 20653, 21740, 36860, 41306, 43480, 73720, 82612, 103265, 105439, 165224, 206530, 210878, 413060, 421756, 527195, 826120, 843512, 1054390, 2003341, 2108780, 4006682, 4217560, 8013364, 10016705, 16026728, 20033410, 40066820, 80133640]

約数ペア:

[(1, 80133640), (2, 40066820), (4, 20033410), (5, 16026728), (8, 10016705), (10, 8013364), (19, 4217560), (20, 4006682), (38, 2108780), (40, 2003341), (76, 1054390), (95, 843512), (97, 826120), (152, 527195), (190, 421756), (194, 413060), (380, 210878), (388, 206530), (485, 165224), (760, 105439), (776, 103265), (970, 82612), (1087, 73720), (1843, 43480), (1940, 41306), (2174, 36860), (3686, 21740), (3880, 20653), (4348, 18430), (5435, 14744), (7372, 10870), (8696, 9215)]