55680700

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{563}}^1$

素因数の和:643

約数の個数: 72

約数和(自身を含む): 129241728

約数和(自身を除く): 73561028

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 43, 46, 50, 86, 92, 100, 115, 172, 215, 230, 430, 460, 563, 575, 860, 989, 1075, 1126, 1150, 1978, 2150, 2252, 2300, 2815, 3956, 4300, 4945, 5630, 9890, 11260, 12949, 14075, 19780, 24209, 24725, 25898, 28150, 48418, 49450, 51796, 56300, 64745, 96836, 98900, 121045, 129490, 242090, 258980, 323725, 484180, 556807, 605225, 647450, 1113614, 1210450, 1294900, 2227228, 2420900, 2784035, 5568070, 11136140, 13920175, 27840350, 55680700]

約数ペア:

[(1, 55680700), (2, 27840350), (4, 13920175), (5, 11136140), (10, 5568070), (20, 2784035), (23, 2420900), (25, 2227228), (43, 1294900), (46, 1210450), (50, 1113614), (86, 647450), (92, 605225), (100, 556807), (115, 484180), (172, 323725), (215, 258980), (230, 242090), (430, 129490), (460, 121045), (563, 98900), (575, 96836), (860, 64745), (989, 56300), (1075, 51796), (1126, 49450), (1150, 48418), (1978, 28150), (2150, 25898), (2252, 24725), (2300, 24209), (2815, 19780), (3956, 14075), (4300, 12949), (4945, 11260), (5630, 9890)]