55487800

素因数分解:

$2^3\times 5^2\times {\mathrm{421}}^1\times {\mathrm{659}}^1$

素因数の和:1096

約数の個数: 48

約数和(自身を含む): 129511800

約数和(自身を除く): 74024000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 421, 659, 842, 1318, 1684, 2105, 2636, 3295, 3368, 4210, 5272, 6590, 8420, 10525, 13180, 16475, 16840, 21050, 26360, 32950, 42100, 65900, 84200, 131800, 277439, 554878, 1109756, 1387195, 2219512, 2774390, 5548780, 6935975, 11097560, 13871950, 27743900, 55487800]

約数ペア:

[(1, 55487800), (2, 27743900), (4, 13871950), (5, 11097560), (8, 6935975), (10, 5548780), (20, 2774390), (25, 2219512), (40, 1387195), (50, 1109756), (100, 554878), (200, 277439), (421, 131800), (659, 84200), (842, 65900), (1318, 42100), (1684, 32950), (2105, 26360), (2636, 21050), (3295, 16840), (3368, 16475), (4210, 13180), (5272, 10525), (6590, 8420)]