91041920

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7487}}^1$

素因数の和:7525

約数の個数: 64

約数和(自身を含む): 229132800

約数和(自身を除く): 138090880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 6080, 7487, 12160, 14974, 29948, 37435, 59896, 74870, 119792, 142253, 149740, 239584, 284506, 299480, 479168, 569012, 598960, 711265, 958336, 1138024, 1197920, 1422530, 2276048, 2395840, 2845060, 4552096, 4791680, 5690120, 9104192, 11380240, 18208384, 22760480, 45520960, 91041920]

約数ペア:

[(1, 91041920), (2, 45520960), (4, 22760480), (5, 18208384), (8, 11380240), (10, 9104192), (16, 5690120), (19, 4791680), (20, 4552096), (32, 2845060), (38, 2395840), (40, 2276048), (64, 1422530), (76, 1197920), (80, 1138024), (95, 958336), (128, 711265), (152, 598960), (160, 569012), (190, 479168), (304, 299480), (320, 284506), (380, 239584), (608, 149740), (640, 142253), (760, 119792), (1216, 74870), (1520, 59896), (2432, 37435), (3040, 29948), (6080, 14974), (7487, 12160)]