53984720

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3391}}^1$

素因数の和:3603

約数の個数: 40

約数和(自身を含む): 126182400

約数和(自身を除く): 72197680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3391, 3980, 6782, 7960, 13564, 15920, 16955, 27128, 33910, 54256, 67820, 135640, 271280, 674809, 1349618, 2699236, 3374045, 5398472, 6748090, 10796944, 13496180, 26992360, 53984720]

約数ペア:

[(1, 53984720), (2, 26992360), (4, 13496180), (5, 10796944), (8, 6748090), (10, 5398472), (16, 3374045), (20, 2699236), (40, 1349618), (80, 674809), (199, 271280), (398, 135640), (796, 67820), (995, 54256), (1592, 33910), (1990, 27128), (3184, 16955), (3391, 15920), (3980, 13564), (6782, 7960)]