40115140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{557}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 91212912

約数和(自身を除く): 51097772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 277, 554, 557, 1108, 1114, 1385, 2228, 2770, 2785, 3601, 5540, 5570, 7202, 7241, 11140, 14404, 14482, 18005, 28964, 36010, 36205, 72020, 72410, 144820, 154289, 308578, 617156, 771445, 1542890, 2005757, 3085780, 4011514, 8023028, 10028785, 20057570, 40115140]

約数ペア:

[(1, 40115140), (2, 20057570), (4, 10028785), (5, 8023028), (10, 4011514), (13, 3085780), (20, 2005757), (26, 1542890), (52, 771445), (65, 617156), (130, 308578), (260, 154289), (277, 144820), (554, 72410), (557, 72020), (1108, 36205), (1114, 36010), (1385, 28964), (2228, 18005), (2770, 14482), (2785, 14404), (3601, 11140), (5540, 7241), (5570, 7202)]