16517400640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3970529}}^1$

素因数の和:3970559

約数の個数: 56

約数和(自身を含む): 42357614040

約数和(自身を除く): 25840213400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 3970529, 7941058, 15882116, 19852645, 31764232, 39705290, 51616877, 63528464, 79410580, 103233754, 127056928, 158821160, 206467508, 254113856, 258084385, 317642320, 412935016, 516168770, 635284640, 825870032, 1032337540, 1270569280, 1651740064, 2064675080, 3303480128, 4129350160, 8258700320, 16517400640]

約数ペア:

[(1, 16517400640), (2, 8258700320), (4, 4129350160), (5, 3303480128), (8, 2064675080), (10, 1651740064), (13, 1270569280), (16, 1032337540), (20, 825870032), (26, 635284640), (32, 516168770), (40, 412935016), (52, 317642320), (64, 258084385), (65, 254113856), (80, 206467508), (104, 158821160), (130, 127056928), (160, 103233754), (208, 79410580), (260, 63528464), (320, 51616877), (416, 39705290), (520, 31764232), (832, 19852645), (1040, 15882116), (2080, 7941058), (4160, 3970529)]