38934440

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{2789}}^1$

素因数の和:3149

約数の個数: 32

約数和(自身を含む): 87885000

約数和(自身を除く): 48950560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2789, 2792, 3490, 5578, 6980, 11156, 13945, 13960, 22312, 27890, 55780, 111560, 973361, 1946722, 3893444, 4866805, 7786888, 9733610, 19467220, 38934440]

約数ペア:

[(1, 38934440), (2, 19467220), (4, 9733610), (5, 7786888), (8, 4866805), (10, 3893444), (20, 1946722), (40, 973361), (349, 111560), (698, 55780), (1396, 27890), (1745, 22312), (2789, 13960), (2792, 13945), (3490, 11156), (5578, 6980)]