200103560

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{70459}}^1$

素因数の和:70541

約数の個数: 32

約数和(自身を含む): 456580800

約数和(自身を除く): 256477240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 70459, 140918, 281836, 352295, 563672, 704590, 1409180, 2818360, 5002589, 10005178, 20010356, 25012945, 40020712, 50025890, 100051780, 200103560]

約数ペア:

[(1, 200103560), (2, 100051780), (4, 50025890), (5, 40020712), (8, 25012945), (10, 20010356), (20, 10005178), (40, 5002589), (71, 2818360), (142, 1409180), (284, 704590), (355, 563672), (568, 352295), (710, 281836), (1420, 140918), (2840, 70459)]