65839780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{347}}^1$

素因数の和:588

約数の個数: 48

約数和(自身を含む): 142067520

約数和(自身を除く): 76227740

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 179, 212, 265, 347, 358, 530, 694, 716, 895, 1060, 1388, 1735, 1790, 3470, 3580, 6940, 9487, 18391, 18974, 36782, 37948, 47435, 62113, 73564, 91955, 94870, 124226, 183910, 189740, 248452, 310565, 367820, 621130, 1242260, 3291989, 6583978, 13167956, 16459945, 32919890, 65839780]

約数ペア:

[(1, 65839780), (2, 32919890), (4, 16459945), (5, 13167956), (10, 6583978), (20, 3291989), (53, 1242260), (106, 621130), (179, 367820), (212, 310565), (265, 248452), (347, 189740), (358, 183910), (530, 124226), (694, 94870), (716, 91955), (895, 73564), (1060, 62113), (1388, 47435), (1735, 37948), (1790, 36782), (3470, 18974), (3580, 18391), (6940, 9487)]