25493020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{863}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 61544448

約数和(自身を除く): 36051428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 863, 1055, 1477, 1726, 2110, 2954, 3452, 4220, 4315, 5908, 6041, 7385, 8630, 12082, 14770, 17260, 24164, 29540, 30205, 60410, 120820, 182093, 364186, 728372, 910465, 1274651, 1820930, 2549302, 3641860, 5098604, 6373255, 12746510, 25493020]

約数ペア:

[(1, 25493020), (2, 12746510), (4, 6373255), (5, 5098604), (7, 3641860), (10, 2549302), (14, 1820930), (20, 1274651), (28, 910465), (35, 728372), (70, 364186), (140, 182093), (211, 120820), (422, 60410), (844, 30205), (863, 29540), (1055, 24164), (1477, 17260), (1726, 14770), (2110, 12082), (2954, 8630), (3452, 7385), (4220, 6041), (4315, 5908)]