520070840

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{220369}}^1$

素因数の和:220439

約数の個数: 32

約数和(自身を含む): 1189998000

約数和(自身を除く): 669927160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 220369, 440738, 881476, 1101845, 1762952, 2203690, 4407380, 8814760, 13001771, 26003542, 52007084, 65008855, 104014168, 130017710, 260035420, 520070840]

約数ペア:

[(1, 520070840), (2, 260035420), (4, 130017710), (5, 104014168), (8, 65008855), (10, 52007084), (20, 26003542), (40, 13001771), (59, 8814760), (118, 4407380), (236, 2203690), (295, 1762952), (472, 1101845), (590, 881476), (1180, 440738), (2360, 220369)]