28771340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2699}}^1$

素因数の和:2762

約数の個数: 48

約数和(自身を含む): 66679200

約数和(自身を除く): 37907860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 2699, 5330, 5398, 10660, 10796, 13495, 26990, 35087, 53980, 70174, 110659, 140348, 175435, 221318, 350870, 442636, 553295, 701740, 1106590, 1438567, 2213180, 2877134, 5754268, 7192835, 14385670, 28771340]

約数ペア:

[(1, 28771340), (2, 14385670), (4, 7192835), (5, 5754268), (10, 2877134), (13, 2213180), (20, 1438567), (26, 1106590), (41, 701740), (52, 553295), (65, 442636), (82, 350870), (130, 221318), (164, 175435), (205, 140348), (260, 110659), (410, 70174), (533, 53980), (820, 35087), (1066, 26990), (2132, 13495), (2665, 10796), (2699, 10660), (5330, 5398)]