53777560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1399}}^1$

素因数の和:1472

約数の個数: 48

約数和(自身を含む): 125118000

約数和(自身を除く): 71340440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1399, 1922, 2798, 3844, 4805, 5596, 6995, 7688, 9610, 11192, 13990, 19220, 27980, 38440, 43369, 55960, 86738, 173476, 216845, 346952, 433690, 867380, 1344439, 1734760, 2688878, 5377756, 6722195, 10755512, 13444390, 26888780, 53777560]

約数ペア:

[(1, 53777560), (2, 26888780), (4, 13444390), (5, 10755512), (8, 6722195), (10, 5377756), (20, 2688878), (31, 1734760), (40, 1344439), (62, 867380), (124, 433690), (155, 346952), (248, 216845), (310, 173476), (620, 86738), (961, 55960), (1240, 43369), (1399, 38440), (1922, 27980), (2798, 19220), (3844, 13990), (4805, 11192), (5596, 9610), (6995, 7688)]