201780560

素因数分解:

$2^4\times 5^1\times {\mathrm{2522257}}^1$

素因数の和:2522270

約数の個数: 20

約数和(自身を含む): 469139988

約数和(自身を除く): 267359428

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2522257, 5044514, 10089028, 12611285, 20178056, 25222570, 40356112, 50445140, 100890280, 201780560]

約数ペア:

[(1, 201780560), (2, 100890280), (4, 50445140), (5, 40356112), (8, 25222570), (10, 20178056), (16, 12611285), (20, 10089028), (40, 5044514), (80, 2522257)]