19951625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:302

約数の個数: 32

約数和(自身を含む): 27125280

約数和(自身を除く): 7173655

約数列:

[1, 5, 17, 25, 41, 85, 125, 205, 229, 425, 697, 1025, 1145, 2125, 3485, 3893, 5125, 5725, 9389, 17425, 19465, 28625, 46945, 87125, 97325, 159613, 234725, 486625, 798065, 1173625, 3990325, 19951625]

約数ペア:

[(1, 19951625), (5, 3990325), (17, 1173625), (25, 798065), (41, 486625), (85, 234725), (125, 159613), (205, 97325), (229, 87125), (425, 46945), (697, 28625), (1025, 19465), (1145, 17425), (2125, 9389), (3485, 5725), (3893, 5125)]