245544296840

素因数分解:

$2^3\times 5^1\times {\mathrm{6138607421}}^1$

素因数の和:6138607432

約数の個数: 16

約数和(自身を含む): 552474667980

約数和(自身を除く): 306930371140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6138607421, 12277214842, 24554429684, 30693037105, 49108859368, 61386074210, 122772148420, 245544296840]

約数ペア:

[(1, 245544296840), (2, 122772148420), (4, 61386074210), (5, 49108859368), (8, 30693037105), (10, 24554429684), (20, 12277214842), (40, 6138607421)]