69488380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3989}}^1$

素因数の和:4078

約数の個数: 48

約数和(自身を含む): 159536160

約数和(自身を除く): 90047780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 3484, 3989, 4355, 7978, 8710, 15956, 17420, 19945, 39890, 51857, 79780, 103714, 207428, 259285, 267263, 518570, 534526, 1037140, 1069052, 1336315, 2672630, 3474419, 5345260, 6948838, 13897676, 17372095, 34744190, 69488380]

約数ペア:

[(1, 69488380), (2, 34744190), (4, 17372095), (5, 13897676), (10, 6948838), (13, 5345260), (20, 3474419), (26, 2672630), (52, 1336315), (65, 1069052), (67, 1037140), (130, 534526), (134, 518570), (260, 267263), (268, 259285), (335, 207428), (670, 103714), (871, 79780), (1340, 51857), (1742, 39890), (3484, 19945), (3989, 17420), (4355, 15956), (7978, 8710)]