5491840

素因数分解:

$2^7\times 5^1\times {\mathrm{8581}}^1$

素因数の和:8600

約数の個数: 32

約数和(自身を含む): 13130460

約数和(自身を除く): 7638620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 8581, 17162, 34324, 42905, 68648, 85810, 137296, 171620, 274592, 343240, 549184, 686480, 1098368, 1372960, 2745920, 5491840]

約数ペア:

[(1, 5491840), (2, 2745920), (4, 1372960), (5, 1098368), (8, 686480), (10, 549184), (16, 343240), (20, 274592), (32, 171620), (40, 137296), (64, 85810), (80, 68648), (128, 42905), (160, 34324), (320, 17162), (640, 8581)]