54779660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{853}}^1$

素因数の和:907

約数の個数: 72

約数和(自身を含む): 131276880

約数和(自身を除く): 76497220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 169, 190, 247, 260, 338, 380, 494, 676, 845, 853, 988, 1235, 1690, 1706, 2470, 3211, 3380, 3412, 4265, 4940, 6422, 8530, 11089, 12844, 16055, 16207, 17060, 22178, 32110, 32414, 44356, 55445, 64220, 64828, 81035, 110890, 144157, 162070, 210691, 221780, 288314, 324140, 421382, 576628, 720785, 842764, 1053455, 1441570, 2106910, 2738983, 2883140, 4213820, 5477966, 10955932, 13694915, 27389830, 54779660]

約数ペア:

[(1, 54779660), (2, 27389830), (4, 13694915), (5, 10955932), (10, 5477966), (13, 4213820), (19, 2883140), (20, 2738983), (26, 2106910), (38, 1441570), (52, 1053455), (65, 842764), (76, 720785), (95, 576628), (130, 421382), (169, 324140), (190, 288314), (247, 221780), (260, 210691), (338, 162070), (380, 144157), (494, 110890), (676, 81035), (845, 64828), (853, 64220), (988, 55445), (1235, 44356), (1690, 32414), (1706, 32110), (2470, 22178), (3211, 17060), (3380, 16207), (3412, 16055), (4265, 12844), (4940, 11089), (6422, 8530)]