66461000

素因数分解:

$2^3\times 5^3\times {\mathrm{41}}^1\times {\mathrm{1621}}^1$

素因数の和:1683

約数の個数: 64

約数和(自身を含む): 159410160

約数和(自身を除く): 92949160

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 125, 164, 200, 205, 250, 328, 410, 500, 820, 1000, 1025, 1621, 1640, 2050, 3242, 4100, 5125, 6484, 8105, 8200, 10250, 12968, 16210, 20500, 32420, 40525, 41000, 64840, 66461, 81050, 132922, 162100, 202625, 265844, 324200, 332305, 405250, 531688, 664610, 810500, 1329220, 1621000, 1661525, 2658440, 3323050, 6646100, 8307625, 13292200, 16615250, 33230500, 66461000]

約数ペア:

[(1, 66461000), (2, 33230500), (4, 16615250), (5, 13292200), (8, 8307625), (10, 6646100), (20, 3323050), (25, 2658440), (40, 1661525), (41, 1621000), (50, 1329220), (82, 810500), (100, 664610), (125, 531688), (164, 405250), (200, 332305), (205, 324200), (250, 265844), (328, 202625), (410, 162100), (500, 132922), (820, 81050), (1000, 66461), (1025, 64840), (1621, 41000), (1640, 40525), (2050, 32420), (3242, 20500), (4100, 16210), (5125, 12968), (6484, 10250), (8105, 8200)]