128839660

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{96149}}^1$

素因数の和:96225

約数の個数: 24

約数和(自身を含む): 274604400

約数和(自身を除く): 145764740

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 96149, 192298, 384596, 480745, 961490, 1922980, 6441983, 12883966, 25767932, 32209915, 64419830, 128839660]

約数ペア:

[(1, 128839660), (2, 64419830), (4, 32209915), (5, 25767932), (10, 12883966), (20, 6441983), (67, 1922980), (134, 961490), (268, 480745), (335, 384596), (670, 192298), (1340, 96149)]