12615690520

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2893507}}^1$

素因数の和:2893627

約数の個数: 32

約数和(自身を含む): 28645729200

約数和(自身を除く): 16030038680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 2893507, 5787014, 11574028, 14467535, 23148056, 28935070, 57870140, 115740280, 315392263, 630784526, 1261569052, 1576961315, 2523138104, 3153922630, 6307845260, 12615690520]

約数ペア:

[(1, 12615690520), (2, 6307845260), (4, 3153922630), (5, 2523138104), (8, 1576961315), (10, 1261569052), (20, 630784526), (40, 315392263), (109, 115740280), (218, 57870140), (436, 28935070), (545, 23148056), (872, 14467535), (1090, 11574028), (2180, 5787014), (4360, 2893507)]