239560

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:177

約数の個数: 32

約数和(自身を含む): 554040

約数和(自身を除く): 314480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 113, 212, 226, 265, 424, 452, 530, 565, 904, 1060, 1130, 2120, 2260, 4520, 5989, 11978, 23956, 29945, 47912, 59890, 119780, 239560]

約数ペア:

[(1, 239560), (2, 119780), (4, 59890), (5, 47912), (8, 29945), (10, 23956), (20, 11978), (40, 5989), (53, 4520), (106, 2260), (113, 2120), (212, 1130), (226, 1060), (265, 904), (424, 565), (452, 530)]