42440980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{359}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 93623040

約数和(自身を除く): 51182060

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 257, 359, 460, 514, 718, 1028, 1285, 1436, 1795, 2570, 3590, 5140, 5911, 7180, 8257, 11822, 16514, 23644, 29555, 33028, 41285, 59110, 82570, 92263, 118220, 165140, 184526, 369052, 461315, 922630, 1845260, 2122049, 4244098, 8488196, 10610245, 21220490, 42440980]

約数ペア:

[(1, 42440980), (2, 21220490), (4, 10610245), (5, 8488196), (10, 4244098), (20, 2122049), (23, 1845260), (46, 922630), (92, 461315), (115, 369052), (230, 184526), (257, 165140), (359, 118220), (460, 92263), (514, 82570), (718, 59110), (1028, 41285), (1285, 33028), (1436, 29555), (1795, 23644), (2570, 16514), (3590, 11822), (5140, 8257), (5911, 7180)]