40380488

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{727}}^1$

素因数の和:917

約数の個数: 32

約数和(自身を含む): 77837760

約数和(自身を除く): 37457272

約数列:

[1, 2, 4, 8, 53, 106, 131, 212, 262, 424, 524, 727, 1048, 1454, 2908, 5816, 6943, 13886, 27772, 38531, 55544, 77062, 95237, 154124, 190474, 308248, 380948, 761896, 5047561, 10095122, 20190244, 40380488]

約数ペア:

[(1, 40380488), (2, 20190244), (4, 10095122), (8, 5047561), (53, 761896), (106, 380948), (131, 308248), (212, 190474), (262, 154124), (424, 95237), (524, 77062), (727, 55544), (1048, 38531), (1454, 27772), (2908, 13886), (5816, 6943)]