81362540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{83023}}^1$

素因数の和:83046

約数の個数: 36

約数和(自身を含む): 198759456

約数和(自身を除く): 117396916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 83023, 166046, 332092, 415115, 581161, 830230, 1162322, 1660460, 2324644, 2905805, 4068127, 5811610, 8136254, 11623220, 16272508, 20340635, 40681270, 81362540]

約数ペア:

[(1, 81362540), (2, 40681270), (4, 20340635), (5, 16272508), (7, 11623220), (10, 8136254), (14, 5811610), (20, 4068127), (28, 2905805), (35, 2324644), (49, 1660460), (70, 1162322), (98, 830230), (140, 581161), (196, 415115), (245, 332092), (490, 166046), (980, 83023)]