87239560

素因数分解:

$2^3\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{2153}}^1$

素因数の和:3177

約数の個数: 32

約数和(自身を含む): 196574040

約数和(自身を除く): 109334480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1013, 2026, 2153, 4052, 4306, 5065, 8104, 8612, 10130, 10765, 17224, 20260, 21530, 40520, 43060, 86120, 2180989, 4361978, 8723956, 10904945, 17447912, 21809890, 43619780, 87239560]

約数ペア:

[(1, 87239560), (2, 43619780), (4, 21809890), (5, 17447912), (8, 10904945), (10, 8723956), (20, 4361978), (40, 2180989), (1013, 86120), (2026, 43060), (2153, 40520), (4052, 21530), (4306, 20260), (5065, 17224), (8104, 10765), (8612, 10130)]