2781402625

素因数分解:

$5^3\times {\mathrm{83}}^1\times {\mathrm{227}}^1\times {\mathrm{1181}}^1$

素因数の和:1506

約数の個数: 32

約数和(自身を含む): 3531475584

約数和(自身を除く): 750072959

約数列:

[1, 5, 25, 83, 125, 227, 415, 1135, 1181, 2075, 5675, 5905, 10375, 18841, 28375, 29525, 94205, 98023, 147625, 268087, 471025, 490115, 1340435, 2355125, 2450575, 6702175, 12252875, 22251221, 33510875, 111256105, 556280525, 2781402625]

約数ペア:

[(1, 2781402625), (5, 556280525), (25, 111256105), (83, 33510875), (125, 22251221), (227, 12252875), (415, 6702175), (1135, 2450575), (1181, 2355125), (2075, 1340435), (5675, 490115), (5905, 471025), (10375, 268087), (18841, 147625), (28375, 98023), (29525, 94205)]