64888960

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1913}}^1$

素因数の和:1985

約数の個数: 64

約数和(自身を含む): 158134680

約数和(自身を除く): 93245720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 848, 1060, 1696, 1913, 2120, 3392, 3826, 4240, 6784, 7652, 8480, 9565, 15304, 16960, 19130, 30608, 33920, 38260, 61216, 76520, 101389, 122432, 153040, 202778, 244864, 306080, 405556, 506945, 612160, 811112, 1013890, 1224320, 1622224, 2027780, 3244448, 4055560, 6488896, 8111120, 12977792, 16222240, 32444480, 64888960]

約数ペア:

[(1, 64888960), (2, 32444480), (4, 16222240), (5, 12977792), (8, 8111120), (10, 6488896), (16, 4055560), (20, 3244448), (32, 2027780), (40, 1622224), (53, 1224320), (64, 1013890), (80, 811112), (106, 612160), (128, 506945), (160, 405556), (212, 306080), (265, 244864), (320, 202778), (424, 153040), (530, 122432), (640, 101389), (848, 76520), (1060, 61216), (1696, 38260), (1913, 33920), (2120, 30608), (3392, 19130), (3826, 16960), (4240, 15304), (6784, 9565), (7652, 8480)]