66327640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{57179}}^1$

素因数の和:57219

約数の個数: 32

約数和(自身を含む): 154386000

約数和(自身を除く): 88058360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 57179, 114358, 228716, 285895, 457432, 571790, 1143580, 1658191, 2287160, 3316382, 6632764, 8290955, 13265528, 16581910, 33163820, 66327640]

約数ペア:

[(1, 66327640), (2, 33163820), (4, 16581910), (5, 13265528), (8, 8290955), (10, 6632764), (20, 3316382), (29, 2287160), (40, 1658191), (58, 1143580), (116, 571790), (145, 457432), (232, 285895), (290, 228716), (580, 114358), (1160, 57179)]