13080640

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{997}}^1$

素因数の和:1055

約数の個数: 56

約数和(自身を含む): 31939992

約数和(自身を除く): 18859352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 997, 1312, 1640, 1994, 2624, 3280, 3988, 4985, 6560, 7976, 9970, 13120, 15952, 19940, 31904, 39880, 40877, 63808, 79760, 81754, 159520, 163508, 204385, 319040, 327016, 408770, 654032, 817540, 1308064, 1635080, 2616128, 3270160, 6540320, 13080640]

約数ペア:

[(1, 13080640), (2, 6540320), (4, 3270160), (5, 2616128), (8, 1635080), (10, 1308064), (16, 817540), (20, 654032), (32, 408770), (40, 327016), (41, 319040), (64, 204385), (80, 163508), (82, 159520), (160, 81754), (164, 79760), (205, 63808), (320, 40877), (328, 39880), (410, 31904), (656, 19940), (820, 15952), (997, 13120), (1312, 9970), (1640, 7976), (1994, 6560), (2624, 4985), (3280, 3988)]