204513125

素因数分解:

$5^4\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:431

約数の個数: 40

約数和(自身を含む): 273962304

約数和(自身を除く): 69449179

約数列:

[1, 5, 23, 25, 41, 115, 125, 205, 347, 575, 625, 943, 1025, 1735, 2875, 4715, 5125, 7981, 8675, 14227, 14375, 23575, 25625, 39905, 43375, 71135, 117875, 199525, 216875, 327221, 355675, 589375, 997625, 1636105, 1778375, 4988125, 8180525, 8891875, 40902625, 204513125]

約数ペア:

[(1, 204513125), (5, 40902625), (23, 8891875), (25, 8180525), (41, 4988125), (115, 1778375), (125, 1636105), (205, 997625), (347, 589375), (575, 355675), (625, 327221), (943, 216875), (1025, 199525), (1735, 117875), (2875, 71135), (4715, 43375), (5125, 39905), (7981, 25625), (8675, 23575), (14227, 14375)]