140467640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{883}}^1$

素因数の和:1032

約数の個数: 64

約数和(自身を含む): 327468960

約数和(自身を除く): 187001320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 97, 164, 194, 205, 328, 388, 410, 485, 776, 820, 883, 970, 1640, 1766, 1940, 3532, 3880, 3977, 4415, 7064, 7954, 8830, 15908, 17660, 19885, 31816, 35320, 36203, 39770, 72406, 79540, 85651, 144812, 159080, 171302, 181015, 289624, 342604, 362030, 428255, 685208, 724060, 856510, 1448120, 1713020, 3426040, 3511691, 7023382, 14046764, 17558455, 28093528, 35116910, 70233820, 140467640]

約数ペア:

[(1, 140467640), (2, 70233820), (4, 35116910), (5, 28093528), (8, 17558455), (10, 14046764), (20, 7023382), (40, 3511691), (41, 3426040), (82, 1713020), (97, 1448120), (164, 856510), (194, 724060), (205, 685208), (328, 428255), (388, 362030), (410, 342604), (485, 289624), (776, 181015), (820, 171302), (883, 159080), (970, 144812), (1640, 85651), (1766, 79540), (1940, 72406), (3532, 39770), (3880, 36203), (3977, 35320), (4415, 31816), (7064, 19885), (7954, 17660), (8830, 15908)]