85655404840

素因数分解:

$2^3\times 5^1\times {\mathrm{2141385121}}^1$

素因数の和:2141385132

約数の個数: 16

約数和(自身を含む): 192724660980

約数和(自身を除く): 107069256140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2141385121, 4282770242, 8565540484, 10706925605, 17131080968, 21413851210, 42827702420, 85655404840]

約数ペア:

[(1, 85655404840), (2, 42827702420), (4, 21413851210), (5, 17131080968), (8, 10706925605), (10, 8565540484), (20, 4282770242), (40, 2141385121)]