201625240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{162601}}^1$

素因数の和:162643

約数の個数: 32

約数和(自身を含む): 468293760

約数和(自身を除く): 266668520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 162601, 325202, 650404, 813005, 1300808, 1626010, 3252020, 5040631, 6504040, 10081262, 20162524, 25203155, 40325048, 50406310, 100812620, 201625240]

約数ペア:

[(1, 201625240), (2, 100812620), (4, 50406310), (5, 40325048), (8, 25203155), (10, 20162524), (20, 10081262), (31, 6504040), (40, 5040631), (62, 3252020), (124, 1626010), (155, 1300808), (248, 813005), (310, 650404), (620, 325202), (1240, 162601)]