4895920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3221}}^1$

素因数の和:3253

約数の個数: 40

約数和(自身を含む): 11985840

約数和(自身を除く): 7089920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 3221, 6442, 12884, 16105, 25768, 32210, 51536, 61199, 64420, 122398, 128840, 244796, 257680, 305995, 489592, 611990, 979184, 1223980, 2447960, 4895920]

約数ペア:

[(1, 4895920), (2, 2447960), (4, 1223980), (5, 979184), (8, 611990), (10, 489592), (16, 305995), (19, 257680), (20, 244796), (38, 128840), (40, 122398), (76, 64420), (80, 61199), (95, 51536), (152, 32210), (190, 25768), (304, 16105), (380, 12884), (760, 6442), (1520, 3221)]