8045402420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{410899}}^1$

素因数の和:411008

約数の個数: 48

約数和(自身を含む): 18638424000

約数和(自身を除く): 10593021580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 3916, 4895, 9790, 19580, 410899, 821798, 1643596, 2054495, 4108990, 4519889, 8217980, 9039778, 18079556, 22599445, 36570011, 45198890, 73140022, 90397780, 146280044, 182850055, 365700110, 402270121, 731400220, 804540242, 1609080484, 2011350605, 4022701210, 8045402420]

約数ペア:

[(1, 8045402420), (2, 4022701210), (4, 2011350605), (5, 1609080484), (10, 804540242), (11, 731400220), (20, 402270121), (22, 365700110), (44, 182850055), (55, 146280044), (89, 90397780), (110, 73140022), (178, 45198890), (220, 36570011), (356, 22599445), (445, 18079556), (890, 9039778), (979, 8217980), (1780, 4519889), (1958, 4108990), (3916, 2054495), (4895, 1643596), (9790, 821798), (19580, 410899)]