133507520

素因数分解:

$2^6\times 5^1\times {\mathrm{421}}^1\times {\mathrm{991}}^1$

素因数の和:1429

約数の個数: 56

約数和(自身を含む): 318991488

約数和(自身を除く): 185483968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 421, 842, 991, 1684, 1982, 2105, 3368, 3964, 4210, 4955, 6736, 7928, 8420, 9910, 13472, 15856, 16840, 19820, 26944, 31712, 33680, 39640, 63424, 67360, 79280, 134720, 158560, 317120, 417211, 834422, 1668844, 2086055, 3337688, 4172110, 6675376, 8344220, 13350752, 16688440, 26701504, 33376880, 66753760, 133507520]

約数ペア:

[(1, 133507520), (2, 66753760), (4, 33376880), (5, 26701504), (8, 16688440), (10, 13350752), (16, 8344220), (20, 6675376), (32, 4172110), (40, 3337688), (64, 2086055), (80, 1668844), (160, 834422), (320, 417211), (421, 317120), (842, 158560), (991, 134720), (1684, 79280), (1982, 67360), (2105, 63424), (3368, 39640), (3964, 33680), (4210, 31712), (4955, 26944), (6736, 19820), (7928, 16840), (8420, 15856), (9910, 13472)]