2193640

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{317}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 4979880

約数和(自身を除く): 2786240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 317, 346, 634, 692, 865, 1268, 1384, 1585, 1730, 2536, 3170, 3460, 6340, 6920, 12680, 54841, 109682, 219364, 274205, 438728, 548410, 1096820, 2193640]

約数ペア:

[(1, 2193640), (2, 1096820), (4, 548410), (5, 438728), (8, 274205), (10, 219364), (20, 109682), (40, 54841), (173, 12680), (317, 6920), (346, 6340), (634, 3460), (692, 3170), (865, 2536), (1268, 1730), (1384, 1585)]