12810759025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{71161}}^1$

素因数の和:71569

約数の個数: 24

約数和(自身を含む): 16765767200

約数和(自身を除く): 3955008175

約数列:

[1, 5, 19, 25, 95, 379, 475, 1895, 7201, 9475, 36005, 71161, 180025, 355805, 1352059, 1779025, 6760295, 26970019, 33801475, 134850095, 512430361, 674250475, 2562151805, 12810759025]

約数ペア:

[(1, 12810759025), (5, 2562151805), (19, 674250475), (25, 512430361), (95, 134850095), (379, 33801475), (475, 26970019), (1895, 6760295), (7201, 1779025), (9475, 1352059), (36005, 355805), (71161, 180025)]