39985904

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21001}}^1$

素因数の和:21033

約数の個数: 40

約数和(自身を含む): 93752928

約数和(自身を除く): 53767024

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 21001, 42002, 84004, 147007, 168008, 294014, 336016, 357017, 588028, 714034, 1176056, 1428068, 2352112, 2499119, 2856136, 4998238, 5712272, 9996476, 19992952, 39985904]

約数ペア:

[(1, 39985904), (2, 19992952), (4, 9996476), (7, 5712272), (8, 4998238), (14, 2856136), (16, 2499119), (17, 2352112), (28, 1428068), (34, 1176056), (56, 714034), (68, 588028), (112, 357017), (119, 336016), (136, 294014), (238, 168008), (272, 147007), (476, 84004), (952, 42002), (1904, 21001)]