53474360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{991}}^1$

素因数の和:1092

約数の個数: 64

約数和(自身を含む): 128563200

約数和(自身を除く): 75088840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 991, 1349, 1420, 1982, 2698, 2840, 3964, 4955, 5396, 6745, 7928, 9910, 10792, 13490, 18829, 19820, 26980, 37658, 39640, 53960, 70361, 75316, 94145, 140722, 150632, 188290, 281444, 351805, 376580, 562888, 703610, 753160, 1336859, 1407220, 2673718, 2814440, 5347436, 6684295, 10694872, 13368590, 26737180, 53474360]

約数ペア:

[(1, 53474360), (2, 26737180), (4, 13368590), (5, 10694872), (8, 6684295), (10, 5347436), (19, 2814440), (20, 2673718), (38, 1407220), (40, 1336859), (71, 753160), (76, 703610), (95, 562888), (142, 376580), (152, 351805), (190, 281444), (284, 188290), (355, 150632), (380, 140722), (568, 94145), (710, 75316), (760, 70361), (991, 53960), (1349, 39640), (1420, 37658), (1982, 26980), (2698, 19820), (2840, 18829), (3964, 13490), (4955, 10792), (5396, 9910), (6745, 7928)]