69185680

素因数分解:

$2^4\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1069}}^1$

素因数の和:1891

約数の個数: 40

約数和(自身を含む): 161206200

約数和(自身を除く): 92020520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 809, 1069, 1618, 2138, 3236, 4045, 4276, 5345, 6472, 8090, 8552, 10690, 12944, 16180, 17104, 21380, 32360, 42760, 64720, 85520, 864821, 1729642, 3459284, 4324105, 6918568, 8648210, 13837136, 17296420, 34592840, 69185680]

約数ペア:

[(1, 69185680), (2, 34592840), (4, 17296420), (5, 13837136), (8, 8648210), (10, 6918568), (16, 4324105), (20, 3459284), (40, 1729642), (80, 864821), (809, 85520), (1069, 64720), (1618, 42760), (2138, 32360), (3236, 21380), (4045, 17104), (4276, 16180), (5345, 12944), (6472, 10690), (8090, 8552)]