1955840

素因数分解:

$2^{11}\times 5^1\times {\mathrm{191}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 4717440

約数和(自身を除く): 2761600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 191, 256, 320, 382, 512, 640, 764, 955, 1024, 1280, 1528, 1910, 2048, 2560, 3056, 3820, 5120, 6112, 7640, 10240, 12224, 15280, 24448, 30560, 48896, 61120, 97792, 122240, 195584, 244480, 391168, 488960, 977920, 1955840]

約数ペア:

[(1, 1955840), (2, 977920), (4, 488960), (5, 391168), (8, 244480), (10, 195584), (16, 122240), (20, 97792), (32, 61120), (40, 48896), (64, 30560), (80, 24448), (128, 15280), (160, 12224), (191, 10240), (256, 7640), (320, 6112), (382, 5120), (512, 3820), (640, 3056), (764, 2560), (955, 2048), (1024, 1910), (1280, 1528)]