448647520

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{20173}}^1$

素因数の和:20327

約数の個数: 48

約数和(自身を含む): 1067608080

約数和(自身を除く): 618960560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 2224, 2780, 4448, 5560, 11120, 20173, 22240, 40346, 80692, 100865, 161384, 201730, 322768, 403460, 645536, 806920, 1613840, 2804047, 3227680, 5608094, 11216188, 14020235, 22432376, 28040470, 44864752, 56080940, 89729504, 112161880, 224323760, 448647520]

約数ペア:

[(1, 448647520), (2, 224323760), (4, 112161880), (5, 89729504), (8, 56080940), (10, 44864752), (16, 28040470), (20, 22432376), (32, 14020235), (40, 11216188), (80, 5608094), (139, 3227680), (160, 2804047), (278, 1613840), (556, 806920), (695, 645536), (1112, 403460), (1390, 322768), (2224, 201730), (2780, 161384), (4448, 100865), (5560, 80692), (11120, 40346), (20173, 22240)]