61777840

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2333}}^1$

素因数の和:2677

約数の個数: 40

約数和(自身を含む): 144129168

約数和(自身を除く): 82351328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1324, 1655, 2333, 2648, 3310, 4666, 5296, 6620, 9332, 11665, 13240, 18664, 23330, 26480, 37328, 46660, 93320, 186640, 772223, 1544446, 3088892, 3861115, 6177784, 7722230, 12355568, 15444460, 30888920, 61777840]

約数ペア:

[(1, 61777840), (2, 30888920), (4, 15444460), (5, 12355568), (8, 7722230), (10, 6177784), (16, 3861115), (20, 3088892), (40, 1544446), (80, 772223), (331, 186640), (662, 93320), (1324, 46660), (1655, 37328), (2333, 26480), (2648, 23330), (3310, 18664), (4666, 13240), (5296, 11665), (6620, 9332)]