51190760

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 118800000

約数和(自身を除く): 67609240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 109, 118, 199, 218, 236, 295, 398, 436, 472, 545, 590, 796, 872, 995, 1090, 1180, 1592, 1990, 2180, 2360, 3980, 4360, 6431, 7960, 11741, 12862, 21691, 23482, 25724, 32155, 43382, 46964, 51448, 58705, 64310, 86764, 93928, 108455, 117410, 128620, 173528, 216910, 234820, 257240, 433820, 469640, 867640, 1279769, 2559538, 5119076, 6398845, 10238152, 12797690, 25595380, 51190760]

約数ペア:

[(1, 51190760), (2, 25595380), (4, 12797690), (5, 10238152), (8, 6398845), (10, 5119076), (20, 2559538), (40, 1279769), (59, 867640), (109, 469640), (118, 433820), (199, 257240), (218, 234820), (236, 216910), (295, 173528), (398, 128620), (436, 117410), (472, 108455), (545, 93928), (590, 86764), (796, 64310), (872, 58705), (995, 51448), (1090, 46964), (1180, 43382), (1592, 32155), (1990, 25724), (2180, 23482), (2360, 21691), (3980, 12862), (4360, 11741), (6431, 7960)]