40474352

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{661}}^1$

素因数の和:801

約数の個数: 40

約数和(自身を含む): 81267120

約数和(自身を除く): 40792768

約数列:

[1, 2, 4, 8, 16, 43, 86, 89, 172, 178, 344, 356, 661, 688, 712, 1322, 1424, 2644, 3827, 5288, 7654, 10576, 15308, 28423, 30616, 56846, 58829, 61232, 113692, 117658, 227384, 235316, 454768, 470632, 941264, 2529647, 5059294, 10118588, 20237176, 40474352]

約数ペア:

[(1, 40474352), (2, 20237176), (4, 10118588), (8, 5059294), (16, 2529647), (43, 941264), (86, 470632), (89, 454768), (172, 235316), (178, 227384), (344, 117658), (356, 113692), (661, 61232), (688, 58829), (712, 56846), (1322, 30616), (1424, 28423), (2644, 15308), (3827, 10576), (5288, 7654)]