38785880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1951}}^1$

素因数の和:2040

約数の個数: 64

約数和(自身を含む): 101191680

約数和(自身を除く): 62405800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1951, 1988, 2485, 2840, 3902, 3976, 4970, 7804, 9755, 9940, 13657, 15608, 19510, 19880, 27314, 39020, 54628, 68285, 78040, 109256, 136570, 138521, 273140, 277042, 546280, 554084, 692605, 969647, 1108168, 1385210, 1939294, 2770420, 3878588, 4848235, 5540840, 7757176, 9696470, 19392940, 38785880]

約数ペア:

[(1, 38785880), (2, 19392940), (4, 9696470), (5, 7757176), (7, 5540840), (8, 4848235), (10, 3878588), (14, 2770420), (20, 1939294), (28, 1385210), (35, 1108168), (40, 969647), (56, 692605), (70, 554084), (71, 546280), (140, 277042), (142, 273140), (280, 138521), (284, 136570), (355, 109256), (497, 78040), (568, 68285), (710, 54628), (994, 39020), (1420, 27314), (1951, 19880), (1988, 19510), (2485, 15608), (2840, 13657), (3902, 9940), (3976, 9755), (4970, 7804)]