201499280

素因数分解:

$2^4\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{1951}}^1$

素因数の和:3255

約数の個数: 40

約数和(自身を含む): 469089024

約数和(自身を除く): 267589744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1291, 1951, 2582, 3902, 5164, 6455, 7804, 9755, 10328, 12910, 15608, 19510, 20656, 25820, 31216, 39020, 51640, 78040, 103280, 156080, 2518741, 5037482, 10074964, 12593705, 20149928, 25187410, 40299856, 50374820, 100749640, 201499280]

約数ペア:

[(1, 201499280), (2, 100749640), (4, 50374820), (5, 40299856), (8, 25187410), (10, 20149928), (16, 12593705), (20, 10074964), (40, 5037482), (80, 2518741), (1291, 156080), (1951, 103280), (2582, 78040), (3902, 51640), (5164, 39020), (6455, 31216), (7804, 25820), (9755, 20656), (10328, 19510), (12910, 15608)]