1915662520

素因数分解:

$2^3\times 5^1\times {\mathrm{977}}^1\times {\mathrm{49019}}^1$

素因数の和:50007

約数の個数: 32

約数和(自身を含む): 4314740400

約数和(自身を除く): 2399077880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 977, 1954, 3908, 4885, 7816, 9770, 19540, 39080, 49019, 98038, 196076, 245095, 392152, 490190, 980380, 1960760, 47891563, 95783126, 191566252, 239457815, 383132504, 478915630, 957831260, 1915662520]

約数ペア:

[(1, 1915662520), (2, 957831260), (4, 478915630), (5, 383132504), (8, 239457815), (10, 191566252), (20, 95783126), (40, 47891563), (977, 1960760), (1954, 980380), (3908, 490190), (4885, 392152), (7816, 245095), (9770, 196076), (19540, 98038), (39080, 49019)]