25595380

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 55440000

約数和(自身を除く): 29844620

約数列:

[1, 2, 4, 5, 10, 20, 59, 109, 118, 199, 218, 236, 295, 398, 436, 545, 590, 796, 995, 1090, 1180, 1990, 2180, 3980, 6431, 11741, 12862, 21691, 23482, 25724, 32155, 43382, 46964, 58705, 64310, 86764, 108455, 117410, 128620, 216910, 234820, 433820, 1279769, 2559538, 5119076, 6398845, 12797690, 25595380]

約数ペア:

[(1, 25595380), (2, 12797690), (4, 6398845), (5, 5119076), (10, 2559538), (20, 1279769), (59, 433820), (109, 234820), (118, 216910), (199, 128620), (218, 117410), (236, 108455), (295, 86764), (398, 64310), (436, 58705), (545, 46964), (590, 43382), (796, 32155), (995, 25724), (1090, 23482), (1180, 21691), (1990, 12862), (2180, 11741), (3980, 6431)]