87281020

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{28901}}^1$

素因数の和:29061

約数の個数: 24

約数和(自身を含む): 184510368

約数和(自身を除く): 97229348

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 28901, 57802, 115604, 144505, 289010, 578020, 4364051, 8728102, 17456204, 21820255, 43640510, 87281020]

約数ペア:

[(1, 87281020), (2, 43640510), (4, 21820255), (5, 17456204), (10, 8728102), (20, 4364051), (151, 578020), (302, 289010), (604, 144505), (755, 115604), (1510, 57802), (3020, 28901)]