53812460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1489}}^1$

素因数の和:1650

約数の個数: 48

約数和(自身を含む): 122656800

約数和(自身を除く): 68844340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1489, 1807, 2780, 2978, 3614, 5956, 7228, 7445, 9035, 14890, 18070, 19357, 29780, 36140, 38714, 77428, 96785, 193570, 206971, 387140, 413942, 827884, 1034855, 2069710, 2690623, 4139420, 5381246, 10762492, 13453115, 26906230, 53812460]

約数ペア:

[(1, 53812460), (2, 26906230), (4, 13453115), (5, 10762492), (10, 5381246), (13, 4139420), (20, 2690623), (26, 2069710), (52, 1034855), (65, 827884), (130, 413942), (139, 387140), (260, 206971), (278, 193570), (556, 96785), (695, 77428), (1390, 38714), (1489, 36140), (1807, 29780), (2780, 19357), (2978, 18070), (3614, 14890), (5956, 9035), (7228, 7445)]