1639206880

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{105619}}^1$

素因数の和:105731

約数の個数: 48

約数和(自身を含む): 3912587280

約数和(自身を除く): 2273380400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1552, 1940, 3104, 3880, 7760, 15520, 105619, 211238, 422476, 528095, 844952, 1056190, 1689904, 2112380, 3379808, 4224760, 8449520, 10245043, 16899040, 20490086, 40980172, 51225215, 81960344, 102450430, 163920688, 204900860, 327841376, 409801720, 819603440, 1639206880]

約数ペア:

[(1, 1639206880), (2, 819603440), (4, 409801720), (5, 327841376), (8, 204900860), (10, 163920688), (16, 102450430), (20, 81960344), (32, 51225215), (40, 40980172), (80, 20490086), (97, 16899040), (160, 10245043), (194, 8449520), (388, 4224760), (485, 3379808), (776, 2112380), (970, 1689904), (1552, 1056190), (1940, 844952), (3104, 528095), (3880, 422476), (7760, 211238), (15520, 105619)]