4020996880

素因数分解:

$2^4\times 5^1\times {\mathrm{50262461}}^1$

素因数の和:50262474

約数の個数: 20

約数和(自身を含む): 9348817932

約数和(自身を除く): 5327821052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 50262461, 100524922, 201049844, 251312305, 402099688, 502624610, 804199376, 1005249220, 2010498440, 4020996880]

約数ペア:

[(1, 4020996880), (2, 2010498440), (4, 1005249220), (5, 804199376), (8, 502624610), (10, 402099688), (16, 251312305), (20, 201049844), (40, 100524922), (80, 50262461)]