91900625

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:219

約数の個数: 40

約数和(自身を含む): 123710400

約数和(自身を除く): 31809775

約数列:

[1, 5, 19, 25, 71, 95, 109, 125, 355, 475, 545, 625, 1349, 1775, 2071, 2375, 2725, 6745, 7739, 8875, 10355, 11875, 13625, 33725, 38695, 44375, 51775, 68125, 147041, 168625, 193475, 258875, 735205, 843125, 967375, 1294375, 3676025, 4836875, 18380125, 91900625]

約数ペア:

[(1, 91900625), (5, 18380125), (19, 4836875), (25, 3676025), (71, 1294375), (95, 967375), (109, 843125), (125, 735205), (355, 258875), (475, 193475), (545, 168625), (625, 147041), (1349, 68125), (1775, 51775), (2071, 44375), (2375, 38695), (2725, 33725), (6745, 13625), (7739, 11875), (8875, 10355)]