28117280

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3739}}^1$

素因数の和:3801

約数の個数: 48

約数和(自身を含む): 67858560

約数和(自身を除く): 39741280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 752, 940, 1504, 1880, 3739, 3760, 7478, 7520, 14956, 18695, 29912, 37390, 59824, 74780, 119648, 149560, 175733, 299120, 351466, 598240, 702932, 878665, 1405864, 1757330, 2811728, 3514660, 5623456, 7029320, 14058640, 28117280]

約数ペア:

[(1, 28117280), (2, 14058640), (4, 7029320), (5, 5623456), (8, 3514660), (10, 2811728), (16, 1757330), (20, 1405864), (32, 878665), (40, 702932), (47, 598240), (80, 351466), (94, 299120), (160, 175733), (188, 149560), (235, 119648), (376, 74780), (470, 59824), (752, 37390), (940, 29912), (1504, 18695), (1880, 14956), (3739, 7520), (3760, 7478)]