25380100

素因数分解:

$2^2\times 5^2\times {\mathrm{253801}}^1$

素因数の和:253815

約数の個数: 18

約数和(自身を含む): 55075034

約数和(自身を除く): 29694934

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 253801, 507602, 1015204, 1269005, 2538010, 5076020, 6345025, 12690050, 25380100]

約数ペア:

[(1, 25380100), (2, 12690050), (4, 6345025), (5, 5076020), (10, 2538010), (20, 1269005), (25, 1015204), (50, 507602), (100, 253801)]