39936260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21943}}^1$

素因数の和:21972

約数の個数: 48

約数和(自身を含む): 103224576

約数和(自身を除く): 63288316

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 21943, 43886, 87772, 109715, 153601, 219430, 285259, 307202, 438860, 570518, 614404, 768005, 1141036, 1426295, 1536010, 1996813, 2852590, 3072020, 3993626, 5705180, 7987252, 9984065, 19968130, 39936260]

約数ペア:

[(1, 39936260), (2, 19968130), (4, 9984065), (5, 7987252), (7, 5705180), (10, 3993626), (13, 3072020), (14, 2852590), (20, 1996813), (26, 1536010), (28, 1426295), (35, 1141036), (52, 768005), (65, 614404), (70, 570518), (91, 438860), (130, 307202), (140, 285259), (182, 219430), (260, 153601), (364, 109715), (455, 87772), (910, 43886), (1820, 21943)]