51472360

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{3209}}^1$

素因数の和:3621

約数の個数: 32

約数和(自身を含む): 116137800

約数和(自身を除く): 64665440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 3209, 4010, 6418, 8020, 12836, 16040, 16045, 25672, 32090, 64180, 128360, 1286809, 2573618, 5147236, 6434045, 10294472, 12868090, 25736180, 51472360]

約数ペア:

[(1, 51472360), (2, 25736180), (4, 12868090), (5, 10294472), (8, 6434045), (10, 5147236), (20, 2573618), (40, 1286809), (401, 128360), (802, 64180), (1604, 32090), (2005, 25672), (3208, 16045), (3209, 16040), (4010, 12836), (6418, 8020)]