28871360

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{12889}}^1$

素因数の和:12913

約数の個数: 56

約数和(自身を含む): 78577440

約数和(自身を除く): 49706080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 12889, 25778, 51556, 64445, 90223, 103112, 128890, 180446, 206224, 257780, 360892, 412448, 451115, 515560, 721784, 824896, 902230, 1031120, 1443568, 1804460, 2062240, 2887136, 3608920, 4124480, 5774272, 7217840, 14435680, 28871360]

約数ペア:

[(1, 28871360), (2, 14435680), (4, 7217840), (5, 5774272), (7, 4124480), (8, 3608920), (10, 2887136), (14, 2062240), (16, 1804460), (20, 1443568), (28, 1031120), (32, 902230), (35, 824896), (40, 721784), (56, 515560), (64, 451115), (70, 412448), (80, 360892), (112, 257780), (140, 206224), (160, 180446), (224, 128890), (280, 103112), (320, 90223), (448, 64445), (560, 51556), (1120, 25778), (2240, 12889)]