201231880

素因数分解:

$2^3\times 5^1\times {\mathrm{5030797}}^1$

素因数の和:5030808

約数の個数: 16

約数和(自身を含む): 452771820

約数和(自身を除く): 251539940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5030797, 10061594, 20123188, 25153985, 40246376, 50307970, 100615940, 201231880]

約数ペア:

[(1, 201231880), (2, 100615940), (4, 50307970), (5, 40246376), (8, 25153985), (10, 20123188), (20, 10061594), (40, 5030797)]