40541540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{739}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 92245440

約数和(自身を除く): 51703900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 211, 260, 422, 739, 844, 1055, 1478, 2110, 2743, 2956, 3695, 4220, 5486, 7390, 9607, 10972, 13715, 14780, 19214, 27430, 38428, 48035, 54860, 96070, 155929, 192140, 311858, 623716, 779645, 1559290, 2027077, 3118580, 4054154, 8108308, 10135385, 20270770, 40541540]

約数ペア:

[(1, 40541540), (2, 20270770), (4, 10135385), (5, 8108308), (10, 4054154), (13, 3118580), (20, 2027077), (26, 1559290), (52, 779645), (65, 623716), (130, 311858), (211, 192140), (260, 155929), (422, 96070), (739, 54860), (844, 48035), (1055, 38428), (1478, 27430), (2110, 19214), (2743, 14780), (2956, 13715), (3695, 10972), (4220, 9607), (5486, 7390)]