28303360

素因数分解:

$2^{13}\times 5^1\times {\mathrm{691}}^1$

素因数の和:722

約数の個数: 56

約数和(自身を含む): 68022216

約数和(自身を除く): 39718856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 691, 1024, 1280, 1382, 2048, 2560, 2764, 3455, 4096, 5120, 5528, 6910, 8192, 10240, 11056, 13820, 20480, 22112, 27640, 40960, 44224, 55280, 88448, 110560, 176896, 221120, 353792, 442240, 707584, 884480, 1415168, 1768960, 2830336, 3537920, 5660672, 7075840, 14151680, 28303360]

約数ペア:

[(1, 28303360), (2, 14151680), (4, 7075840), (5, 5660672), (8, 3537920), (10, 2830336), (16, 1768960), (20, 1415168), (32, 884480), (40, 707584), (64, 442240), (80, 353792), (128, 221120), (160, 176896), (256, 110560), (320, 88448), (512, 55280), (640, 44224), (691, 40960), (1024, 27640), (1280, 22112), (1382, 20480), (2048, 13820), (2560, 11056), (2764, 10240), (3455, 8192), (4096, 6910), (5120, 5528)]