82047920

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7829}}^1$

素因数の和:7973

約数の個数: 40

約数和(自身を含む): 192242160

約数和(自身を除く): 110194240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 7829, 10480, 15658, 31316, 39145, 62632, 78290, 125264, 156580, 313160, 626320, 1025599, 2051198, 4102396, 5127995, 8204792, 10255990, 16409584, 20511980, 41023960, 82047920]

約数ペア:

[(1, 82047920), (2, 41023960), (4, 20511980), (5, 16409584), (8, 10255990), (10, 8204792), (16, 5127995), (20, 4102396), (40, 2051198), (80, 1025599), (131, 626320), (262, 313160), (524, 156580), (655, 125264), (1048, 78290), (1310, 62632), (2096, 39145), (2620, 31316), (5240, 15658), (7829, 10480)]