260485744

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{19927}}^1$

素因数の和:19997

約数の個数: 40

約数和(自身を含む): 543635840

約数和(自身を除く): 283150096

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1634, 3268, 6536, 13072, 19927, 39854, 79708, 159416, 318832, 378613, 757226, 856861, 1514452, 1713722, 3028904, 3427444, 6057808, 6854888, 13709776, 16280359, 32560718, 65121436, 130242872, 260485744]

約数ペア:

[(1, 260485744), (2, 130242872), (4, 65121436), (8, 32560718), (16, 16280359), (19, 13709776), (38, 6854888), (43, 6057808), (76, 3427444), (86, 3028904), (152, 1713722), (172, 1514452), (304, 856861), (344, 757226), (688, 378613), (817, 318832), (1634, 159416), (3268, 79708), (6536, 39854), (13072, 19927)]