40954220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 88252416

約数和(自身を除く): 47298196

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 151, 191, 284, 302, 355, 382, 604, 710, 755, 764, 955, 1420, 1510, 1910, 3020, 3820, 10721, 13561, 21442, 27122, 28841, 42884, 53605, 54244, 57682, 67805, 107210, 115364, 135610, 144205, 214420, 271220, 288410, 576820, 2047711, 4095422, 8190844, 10238555, 20477110, 40954220]

約数ペア:

[(1, 40954220), (2, 20477110), (4, 10238555), (5, 8190844), (10, 4095422), (20, 2047711), (71, 576820), (142, 288410), (151, 271220), (191, 214420), (284, 144205), (302, 135610), (355, 115364), (382, 107210), (604, 67805), (710, 57682), (755, 54244), (764, 53605), (955, 42884), (1420, 28841), (1510, 27122), (1910, 21442), (3020, 13561), (3820, 10721)]