187917560

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{11159}}^1$

素因数の和:11591

約数の個数: 32

約数和(自身を含む): 423856800

約数和(自身を除く): 235939240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4210, 8420, 11159, 16840, 22318, 44636, 55795, 89272, 111590, 223180, 446360, 4697939, 9395878, 18791756, 23489695, 37583512, 46979390, 93958780, 187917560]

約数ペア:

[(1, 187917560), (2, 93958780), (4, 46979390), (5, 37583512), (8, 23489695), (10, 18791756), (20, 9395878), (40, 4697939), (421, 446360), (842, 223180), (1684, 111590), (2105, 89272), (3368, 55795), (4210, 44636), (8420, 22318), (11159, 16840)]