68671250

素因数分解:

$2^1\times 5^4\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:560

約数の個数: 40

約数和(自身を含む): 129980268

約数和(自身を除く): 61309018

約数列:

[1, 2, 5, 10, 25, 50, 125, 137, 250, 274, 401, 625, 685, 802, 1250, 1370, 2005, 3425, 4010, 6850, 10025, 17125, 20050, 34250, 50125, 54937, 85625, 100250, 109874, 171250, 250625, 274685, 501250, 549370, 1373425, 2746850, 6867125, 13734250, 34335625, 68671250]

約数ペア:

[(1, 68671250), (2, 34335625), (5, 13734250), (10, 6867125), (25, 2746850), (50, 1373425), (125, 549370), (137, 501250), (250, 274685), (274, 250625), (401, 171250), (625, 109874), (685, 100250), (802, 85625), (1250, 54937), (1370, 50125), (2005, 34250), (3425, 20050), (4010, 17125), (6850, 10025)]