201187120

素因数分解:

$2^4\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{1951}}^1$

素因数の和:3253

約数の個数: 40

約数和(自身を含む): 468362880

約数和(自身を除く): 267175760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1289, 1951, 2578, 3902, 5156, 6445, 7804, 9755, 10312, 12890, 15608, 19510, 20624, 25780, 31216, 39020, 51560, 78040, 103120, 156080, 2514839, 5029678, 10059356, 12574195, 20118712, 25148390, 40237424, 50296780, 100593560, 201187120]

約数ペア:

[(1, 201187120), (2, 100593560), (4, 50296780), (5, 40237424), (8, 25148390), (10, 20118712), (16, 12574195), (20, 10059356), (40, 5029678), (80, 2514839), (1289, 156080), (1951, 103120), (2578, 78040), (3902, 51560), (5156, 39020), (6445, 31216), (7804, 25780), (9755, 20624), (10312, 19510), (12890, 15608)]