66518240

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21881}}^1$

素因数の和:21915

約数の個数: 48

約数和(自身を含む): 165427920

約数和(自身を除く): 98909680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 21881, 43762, 87524, 109405, 175048, 218810, 350096, 415739, 437620, 700192, 831478, 875240, 1662956, 1750480, 2078695, 3325912, 3500960, 4157390, 6651824, 8314780, 13303648, 16629560, 33259120, 66518240]

約数ペア:

[(1, 66518240), (2, 33259120), (4, 16629560), (5, 13303648), (8, 8314780), (10, 6651824), (16, 4157390), (19, 3500960), (20, 3325912), (32, 2078695), (38, 1750480), (40, 1662956), (76, 875240), (80, 831478), (95, 700192), (152, 437620), (160, 415739), (190, 350096), (304, 218810), (380, 175048), (608, 109405), (760, 87524), (1520, 43762), (3040, 21881)]