157212520

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{14503}}^1$

素因数の和:14785

約数の個数: 32

約数和(自身を含む): 355057920

約数和(自身を除く): 197845400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 10840, 14503, 29006, 58012, 72515, 116024, 145030, 290060, 580120, 3930313, 7860626, 15721252, 19651565, 31442504, 39303130, 78606260, 157212520]

約数ペア:

[(1, 157212520), (2, 78606260), (4, 39303130), (5, 31442504), (8, 19651565), (10, 15721252), (20, 7860626), (40, 3930313), (271, 580120), (542, 290060), (1084, 145030), (1355, 116024), (2168, 72515), (2710, 58012), (5420, 29006), (10840, 14503)]