16402578140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{401827}}^1$

素因数の和:402006

約数の個数: 48

約数和(自身を含む): 37331428512

約数和(自身を除く): 20928850372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 260, 314, 628, 785, 1570, 2041, 3140, 4082, 8164, 10205, 20410, 40820, 401827, 803654, 1607308, 2009135, 4018270, 5223751, 8036540, 10447502, 20895004, 26118755, 52237510, 63086839, 104475020, 126173678, 252347356, 315434195, 630868390, 820128907, 1261736780, 1640257814, 3280515628, 4100644535, 8201289070, 16402578140]

約数ペア:

[(1, 16402578140), (2, 8201289070), (4, 4100644535), (5, 3280515628), (10, 1640257814), (13, 1261736780), (20, 820128907), (26, 630868390), (52, 315434195), (65, 252347356), (130, 126173678), (157, 104475020), (260, 63086839), (314, 52237510), (628, 26118755), (785, 20895004), (1570, 10447502), (2041, 8036540), (3140, 5223751), (4082, 4018270), (8164, 2009135), (10205, 1607308), (20410, 803654), (40820, 401827)]