55554520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{198409}}^1$

素因数の和:198427

約数の個数: 32

約数和(自身を含む): 142855200

約数和(自身を除く): 87300680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 198409, 396818, 793636, 992045, 1388863, 1587272, 1984090, 2777726, 3968180, 5555452, 6944315, 7936360, 11110904, 13888630, 27777260, 55554520]

約数ペア:

[(1, 55554520), (2, 27777260), (4, 13888630), (5, 11110904), (7, 7936360), (8, 6944315), (10, 5555452), (14, 3968180), (20, 2777726), (28, 1984090), (35, 1587272), (40, 1388863), (56, 992045), (70, 793636), (140, 396818), (280, 198409)]