886245680

素因数分解:

$2^4\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{8581}}^1$

素因数の和:9885

約数の個数: 40

約数和(自身を含む): 2062357584

約数和(自身を除く): 1176111904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1291, 2582, 5164, 6455, 8581, 10328, 12910, 17162, 20656, 25820, 34324, 42905, 51640, 68648, 85810, 103280, 137296, 171620, 343240, 686480, 11078071, 22156142, 44312284, 55390355, 88624568, 110780710, 177249136, 221561420, 443122840, 886245680]

約数ペア:

[(1, 886245680), (2, 443122840), (4, 221561420), (5, 177249136), (8, 110780710), (10, 88624568), (16, 55390355), (20, 44312284), (40, 22156142), (80, 11078071), (1291, 686480), (2582, 343240), (5164, 171620), (6455, 137296), (8581, 103280), (10328, 85810), (12910, 68648), (17162, 51640), (20656, 42905), (25820, 34324)]