38678120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74381}}^1$

素因数の和:74405

約数の個数: 32

約数和(自身を含む): 93721320

約数和(自身を除く): 55043200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 74381, 148762, 297524, 371905, 595048, 743810, 966953, 1487620, 1933906, 2975240, 3867812, 4834765, 7735624, 9669530, 19339060, 38678120]

約数ペア:

[(1, 38678120), (2, 19339060), (4, 9669530), (5, 7735624), (8, 4834765), (10, 3867812), (13, 2975240), (20, 1933906), (26, 1487620), (40, 966953), (52, 743810), (65, 595048), (104, 371905), (130, 297524), (260, 148762), (520, 74381)]