54389780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3491}}^1$

素因数の和:3560

約数の個数: 48

約数和(自身を含む): 123197760

約数和(自身を除く): 68807980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3491, 3895, 6982, 7790, 13964, 15580, 17455, 34910, 66329, 69820, 132658, 143131, 265316, 286262, 331645, 572524, 663290, 715655, 1326580, 1431310, 2719489, 2862620, 5438978, 10877956, 13597445, 27194890, 54389780]

約数ペア:

[(1, 54389780), (2, 27194890), (4, 13597445), (5, 10877956), (10, 5438978), (19, 2862620), (20, 2719489), (38, 1431310), (41, 1326580), (76, 715655), (82, 663290), (95, 572524), (164, 331645), (190, 286262), (205, 265316), (380, 143131), (410, 132658), (779, 69820), (820, 66329), (1558, 34910), (3116, 17455), (3491, 15580), (3895, 13964), (6982, 7790)]