20173055600

素因数分解:

$2^4\times 5^2\times {\mathrm{157}}^1\times {\mathrm{321227}}^1$

素因数の和:321402

約数の個数: 60

約数和(自身を含む): 48774617064

約数和(自身を除く): 28601561464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 157, 200, 314, 400, 628, 785, 1256, 1570, 2512, 3140, 3925, 6280, 7850, 12560, 15700, 31400, 62800, 321227, 642454, 1284908, 1606135, 2569816, 3212270, 5139632, 6424540, 8030675, 12849080, 16061350, 25698160, 32122700, 50432639, 64245400, 100865278, 128490800, 201730556, 252163195, 403461112, 504326390, 806922224, 1008652780, 1260815975, 2017305560, 2521631950, 4034611120, 5043263900, 10086527800, 20173055600]

約数ペア:

[(1, 20173055600), (2, 10086527800), (4, 5043263900), (5, 4034611120), (8, 2521631950), (10, 2017305560), (16, 1260815975), (20, 1008652780), (25, 806922224), (40, 504326390), (50, 403461112), (80, 252163195), (100, 201730556), (157, 128490800), (200, 100865278), (314, 64245400), (400, 50432639), (628, 32122700), (785, 25698160), (1256, 16061350), (1570, 12849080), (2512, 8030675), (3140, 6424540), (3925, 5139632), (6280, 3212270), (7850, 2569816), (12560, 1606135), (15700, 1284908), (31400, 642454), (62800, 321227)]