66511360

素因数分解:

$2^9\times 5^1\times {\mathrm{25981}}^1$

素因数の和:26004

約数の個数: 40

約数和(自身を含む): 159477516

約数和(自身を除く): 92966156

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 25981, 51962, 103924, 129905, 207848, 259810, 415696, 519620, 831392, 1039240, 1662784, 2078480, 3325568, 4156960, 6651136, 8313920, 13302272, 16627840, 33255680, 66511360]

約数ペア:

[(1, 66511360), (2, 33255680), (4, 16627840), (5, 13302272), (8, 8313920), (10, 6651136), (16, 4156960), (20, 3325568), (32, 2078480), (40, 1662784), (64, 1039240), (80, 831392), (128, 519620), (160, 415696), (256, 259810), (320, 207848), (512, 129905), (640, 103924), (1280, 51962), (2560, 25981)]