71363560

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{13619}}^1$

素因数の和:13761

約数の個数: 32

約数和(自身を含む): 161805600

約数和(自身を除く): 90442040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 13619, 27238, 54476, 68095, 108952, 136190, 272380, 544760, 1784089, 3568178, 7136356, 8920445, 14272712, 17840890, 35681780, 71363560]

約数ペア:

[(1, 71363560), (2, 35681780), (4, 17840890), (5, 14272712), (8, 8920445), (10, 7136356), (20, 3568178), (40, 1784089), (131, 544760), (262, 272380), (524, 136190), (655, 108952), (1048, 68095), (1310, 54476), (2620, 27238), (5240, 13619)]