40995640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4723}}^1$

素因数の和:4772

約数の個数: 64

約数和(自身を含む): 108840960

約数和(自身を除く): 67845320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 4723, 8680, 9446, 18892, 23615, 33061, 37784, 47230, 66122, 94460, 132244, 146413, 165305, 188920, 264488, 292826, 330610, 585652, 661220, 732065, 1024891, 1171304, 1322440, 1464130, 2049782, 2928260, 4099564, 5124455, 5856520, 8199128, 10248910, 20497820, 40995640]

約数ペア:

[(1, 40995640), (2, 20497820), (4, 10248910), (5, 8199128), (7, 5856520), (8, 5124455), (10, 4099564), (14, 2928260), (20, 2049782), (28, 1464130), (31, 1322440), (35, 1171304), (40, 1024891), (56, 732065), (62, 661220), (70, 585652), (124, 330610), (140, 292826), (155, 264488), (217, 188920), (248, 165305), (280, 146413), (310, 132244), (434, 94460), (620, 66122), (868, 47230), (1085, 37784), (1240, 33061), (1736, 23615), (2170, 18892), (4340, 9446), (4723, 8680)]