155406760

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{8111}}^1$

素因数の和:8601

約数の個数: 32

約数和(自身を含む): 350438400

約数和(自身を除く): 195031640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1916, 2395, 3832, 4790, 8111, 9580, 16222, 19160, 32444, 40555, 64888, 81110, 162220, 324440, 3885169, 7770338, 15540676, 19425845, 31081352, 38851690, 77703380, 155406760]

約数ペア:

[(1, 155406760), (2, 77703380), (4, 38851690), (5, 31081352), (8, 19425845), (10, 15540676), (20, 7770338), (40, 3885169), (479, 324440), (958, 162220), (1916, 81110), (2395, 64888), (3832, 40555), (4790, 32444), (8111, 19160), (9580, 16222)]