40401728

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:315

約数の個数: 56

約数和(自身を含む): 83530440

約数和(自身を除く): 43128712

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 89, 164, 173, 178, 328, 346, 356, 656, 692, 712, 1312, 1384, 1424, 2624, 2768, 2848, 3649, 5536, 5696, 7093, 7298, 11072, 14186, 14596, 15397, 28372, 29192, 30794, 56744, 58384, 61588, 113488, 116768, 123176, 226976, 233536, 246352, 453952, 492704, 631277, 985408, 1262554, 2525108, 5050216, 10100432, 20200864, 40401728]

約数ペア:

[(1, 40401728), (2, 20200864), (4, 10100432), (8, 5050216), (16, 2525108), (32, 1262554), (41, 985408), (64, 631277), (82, 492704), (89, 453952), (164, 246352), (173, 233536), (178, 226976), (328, 123176), (346, 116768), (356, 113488), (656, 61588), (692, 58384), (712, 56744), (1312, 30794), (1384, 29192), (1424, 28372), (2624, 15397), (2768, 14596), (2848, 14186), (3649, 11072), (5536, 7298), (5696, 7093)]