12486520

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{3761}}^1$

素因数の和:3855

約数の個数: 32

約数和(自身を含む): 28440720

約数和(自身を除く): 15954200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 3761, 7522, 15044, 18805, 30088, 37610, 75220, 150440, 312163, 624326, 1248652, 1560815, 2497304, 3121630, 6243260, 12486520]

約数ペア:

[(1, 12486520), (2, 6243260), (4, 3121630), (5, 2497304), (8, 1560815), (10, 1248652), (20, 624326), (40, 312163), (83, 150440), (166, 75220), (332, 37610), (415, 30088), (664, 18805), (830, 15044), (1660, 7522), (3320, 3761)]