80696140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{1229}}^1$

素因数の和:1319

約数の個数: 72

約数和(自身を含む): 200234160

約数和(自身を除く): 119538020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 134, 140, 196, 245, 268, 335, 469, 490, 670, 938, 980, 1229, 1340, 1876, 2345, 2458, 3283, 4690, 4916, 6145, 6566, 8603, 9380, 12290, 13132, 16415, 17206, 24580, 32830, 34412, 43015, 60221, 65660, 82343, 86030, 120442, 164686, 172060, 240884, 301105, 329372, 411715, 576401, 602210, 823430, 1152802, 1204420, 1646860, 2305604, 2882005, 4034807, 5764010, 8069614, 11528020, 16139228, 20174035, 40348070, 80696140]

約数ペア:

[(1, 80696140), (2, 40348070), (4, 20174035), (5, 16139228), (7, 11528020), (10, 8069614), (14, 5764010), (20, 4034807), (28, 2882005), (35, 2305604), (49, 1646860), (67, 1204420), (70, 1152802), (98, 823430), (134, 602210), (140, 576401), (196, 411715), (245, 329372), (268, 301105), (335, 240884), (469, 172060), (490, 164686), (670, 120442), (938, 86030), (980, 82343), (1229, 65660), (1340, 60221), (1876, 43015), (2345, 34412), (2458, 32830), (3283, 24580), (4690, 17206), (4916, 16415), (6145, 13132), (6566, 12290), (8603, 9380)]