158781680

素因数分解:

$2^4\times 5^1\times {\mathrm{593}}^1\times {\mathrm{3347}}^1$

素因数の和:3953

約数の個数: 40

約数和(自身を含む): 369900432

約数和(自身を除く): 211118752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 593, 1186, 2372, 2965, 3347, 4744, 5930, 6694, 9488, 11860, 13388, 16735, 23720, 26776, 33470, 47440, 53552, 66940, 133880, 267760, 1984771, 3969542, 7939084, 9923855, 15878168, 19847710, 31756336, 39695420, 79390840, 158781680]

約数ペア:

[(1, 158781680), (2, 79390840), (4, 39695420), (5, 31756336), (8, 19847710), (10, 15878168), (16, 9923855), (20, 7939084), (40, 3969542), (80, 1984771), (593, 267760), (1186, 133880), (2372, 66940), (2965, 53552), (3347, 47440), (4744, 33470), (5930, 26776), (6694, 23720), (9488, 16735), (11860, 13388)]