201125560

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{12539}}^1$

素因数の和:12951

約数の個数: 32

約数和(自身を含む): 453697200

約数和(自身を除く): 252571640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 8020, 12539, 16040, 25078, 50156, 62695, 100312, 125390, 250780, 501560, 5028139, 10056278, 20112556, 25140695, 40225112, 50281390, 100562780, 201125560]

約数ペア:

[(1, 201125560), (2, 100562780), (4, 50281390), (5, 40225112), (8, 25140695), (10, 20112556), (20, 10056278), (40, 5028139), (401, 501560), (802, 250780), (1604, 125390), (2005, 100312), (3208, 62695), (4010, 50156), (8020, 25078), (12539, 16040)]