87699890

素因数分解:

$2^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{15359}}^1$

素因数の和:15937

約数の個数: 16

約数和(自身を含む): 158146560

約数和(自身を除く): 70446670

約数列:

[1, 2, 5, 10, 571, 1142, 2855, 5710, 15359, 30718, 76795, 153590, 8769989, 17539978, 43849945, 87699890]

約数ペア:

[(1, 87699890), (2, 43849945), (5, 17539978), (10, 8769989), (571, 153590), (1142, 76795), (2855, 30718), (5710, 15359)]