16558528040

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{987979}}^1$

素因数の和:988409

約数の個数: 32

約数和(自身を含む): 37345644000

約数和(自身を除く): 20787115960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 8380, 16760, 987979, 1975958, 3951916, 4939895, 7903832, 9879790, 19759580, 39519160, 413963201, 827926402, 1655852804, 2069816005, 3311705608, 4139632010, 8279264020, 16558528040]

約数ペア:

[(1, 16558528040), (2, 8279264020), (4, 4139632010), (5, 3311705608), (8, 2069816005), (10, 1655852804), (20, 827926402), (40, 413963201), (419, 39519160), (838, 19759580), (1676, 9879790), (2095, 7903832), (3352, 4939895), (4190, 3951916), (8380, 1975958), (16760, 987979)]