2006451620

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1\times {\mathrm{5323}}^1$

素因数の和:5780

約数の個数: 48

約数和(自身を含む): 4314739968

約数和(自身を除く): 2308288348

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 401, 470, 802, 940, 1604, 2005, 4010, 5323, 8020, 10646, 18847, 21292, 26615, 37694, 53230, 75388, 94235, 106460, 188470, 250181, 376940, 500362, 1000724, 1250905, 2134523, 2501810, 4269046, 5003620, 8538092, 10672615, 21345230, 42690460, 100322581, 200645162, 401290324, 501612905, 1003225810, 2006451620]

約数ペア:

[(1, 2006451620), (2, 1003225810), (4, 501612905), (5, 401290324), (10, 200645162), (20, 100322581), (47, 42690460), (94, 21345230), (188, 10672615), (235, 8538092), (401, 5003620), (470, 4269046), (802, 2501810), (940, 2134523), (1604, 1250905), (2005, 1000724), (4010, 500362), (5323, 376940), (8020, 250181), (10646, 188470), (18847, 106460), (21292, 94235), (26615, 75388), (37694, 53230)]