80888960

素因数分解:

$2^7\times 5^1\times {\mathrm{211}}^1\times {\mathrm{599}}^1$

素因数の和:829

約数の個数: 64

約数和(自身を含む): 194616000

約数和(自身を除く): 113727040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 211, 320, 422, 599, 640, 844, 1055, 1198, 1688, 2110, 2396, 2995, 3376, 4220, 4792, 5990, 6752, 8440, 9584, 11980, 13504, 16880, 19168, 23960, 27008, 33760, 38336, 47920, 67520, 76672, 95840, 126389, 135040, 191680, 252778, 383360, 505556, 631945, 1011112, 1263890, 2022224, 2527780, 4044448, 5055560, 8088896, 10111120, 16177792, 20222240, 40444480, 80888960]

約数ペア:

[(1, 80888960), (2, 40444480), (4, 20222240), (5, 16177792), (8, 10111120), (10, 8088896), (16, 5055560), (20, 4044448), (32, 2527780), (40, 2022224), (64, 1263890), (80, 1011112), (128, 631945), (160, 505556), (211, 383360), (320, 252778), (422, 191680), (599, 135040), (640, 126389), (844, 95840), (1055, 76672), (1198, 67520), (1688, 47920), (2110, 38336), (2396, 33760), (2995, 27008), (3376, 23960), (4220, 19168), (4792, 16880), (5990, 13504), (6752, 11980), (8440, 9584)]