19685125

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:246

約数の個数: 32

約数和(自身を含む): 26417664

約数和(自身を除く): 6732539

約数列:

[1, 5, 23, 25, 41, 115, 125, 167, 205, 575, 835, 943, 1025, 2875, 3841, 4175, 4715, 5125, 6847, 19205, 20875, 23575, 34235, 96025, 117875, 157481, 171175, 480125, 787405, 855875, 3937025, 19685125]

約数ペア:

[(1, 19685125), (5, 3937025), (23, 855875), (25, 787405), (41, 480125), (115, 171175), (125, 157481), (167, 117875), (205, 96025), (575, 34235), (835, 23575), (943, 20875), (1025, 19205), (2875, 6847), (3841, 5125), (4175, 4715)]