66961240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{54001}}^1$

素因数の和:54043

約数の個数: 32

約数和(自身を含む): 155525760

約数和(自身を除く): 88564520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 54001, 108002, 216004, 270005, 432008, 540010, 1080020, 1674031, 2160040, 3348062, 6696124, 8370155, 13392248, 16740310, 33480620, 66961240]

約数ペア:

[(1, 66961240), (2, 33480620), (4, 16740310), (5, 13392248), (8, 8370155), (10, 6696124), (20, 3348062), (31, 2160040), (40, 1674031), (62, 1080020), (124, 540010), (155, 432008), (248, 270005), (310, 216004), (620, 108002), (1240, 54001)]