99445520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{40099}}^1$

素因数の和:40143

約数の個数: 40

約数和(自身を含む): 238675200

約数和(自身を除く): 139229680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 40099, 80198, 160396, 200495, 320792, 400990, 641584, 801980, 1243069, 1603960, 2486138, 3207920, 4972276, 6215345, 9944552, 12430690, 19889104, 24861380, 49722760, 99445520]

約数ペア:

[(1, 99445520), (2, 49722760), (4, 24861380), (5, 19889104), (8, 12430690), (10, 9944552), (16, 6215345), (20, 4972276), (31, 3207920), (40, 2486138), (62, 1603960), (80, 1243069), (124, 801980), (155, 641584), (248, 400990), (310, 320792), (496, 200495), (620, 160396), (1240, 80198), (2480, 40099)]