13050625

素因数分解:

$5^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:203

約数の個数: 40

約数和(自身を含む): 19743680

約数和(自身を除く): 6693055

約数列:

[1, 5, 7, 19, 25, 35, 95, 125, 133, 157, 175, 475, 625, 665, 785, 875, 1099, 2375, 2983, 3325, 3925, 4375, 5495, 11875, 14915, 16625, 19625, 20881, 27475, 74575, 83125, 98125, 104405, 137375, 372875, 522025, 686875, 1864375, 2610125, 13050625]

約数ペア:

[(1, 13050625), (5, 2610125), (7, 1864375), (19, 686875), (25, 522025), (35, 372875), (95, 137375), (125, 104405), (133, 98125), (157, 83125), (175, 74575), (475, 27475), (625, 20881), (665, 19625), (785, 16625), (875, 14915), (1099, 11875), (2375, 5495), (2983, 4375), (3325, 3925)]