87036020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71341}}^1$

素因数の和:71411

約数の個数: 24

約数和(自身を含む): 185774568

約数和(自身を除く): 98738548

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 71341, 142682, 285364, 356705, 713410, 1426820, 4351801, 8703602, 17407204, 21759005, 43518010, 87036020]

約数ペア:

[(1, 87036020), (2, 43518010), (4, 21759005), (5, 17407204), (10, 8703602), (20, 4351801), (61, 1426820), (122, 713410), (244, 356705), (305, 285364), (610, 142682), (1220, 71341)]