1024400425

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{18617}}^1$

素因数の和:18729

約数の個数: 24

約数和(自身を含む): 1329772032

約数和(自身を除く): 305371607

約数列:

[1, 5, 25, 31, 71, 155, 355, 775, 1775, 2201, 11005, 18617, 55025, 93085, 465425, 577127, 1321807, 2885635, 6609035, 14428175, 33045175, 40976017, 204880085, 1024400425]

約数ペア:

[(1, 1024400425), (5, 204880085), (25, 40976017), (31, 33045175), (71, 14428175), (155, 6609035), (355, 2885635), (775, 1321807), (1775, 577127), (2201, 465425), (11005, 93085), (18617, 55025)]