80904460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{44453}}^1$

素因数の和:44482

約数の個数: 48

約数和(自身を含む): 209111616

約数和(自身を除く): 128207156

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 44453, 88906, 177812, 222265, 311171, 444530, 577889, 622342, 889060, 1155778, 1244684, 1555855, 2311556, 2889445, 3111710, 4045223, 5778890, 6223420, 8090446, 11557780, 16180892, 20226115, 40452230, 80904460]

約数ペア:

[(1, 80904460), (2, 40452230), (4, 20226115), (5, 16180892), (7, 11557780), (10, 8090446), (13, 6223420), (14, 5778890), (20, 4045223), (26, 3111710), (28, 2889445), (35, 2311556), (52, 1555855), (65, 1244684), (70, 1155778), (91, 889060), (130, 622342), (140, 577889), (182, 444530), (260, 311171), (364, 222265), (455, 177812), (910, 88906), (1820, 44453)]