1979968160

素因数分解:

$2^5\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{10069}}^1$

素因数の和:11313

約数の個数: 48

約数和(自身を含む): 4681945800

約数和(自身を除く): 2701977640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1229, 2458, 4916, 6145, 9832, 10069, 12290, 19664, 20138, 24580, 39328, 40276, 49160, 50345, 80552, 98320, 100690, 161104, 196640, 201380, 322208, 402760, 805520, 1611040, 12374801, 24749602, 49499204, 61874005, 98998408, 123748010, 197996816, 247496020, 395993632, 494992040, 989984080, 1979968160]

約数ペア:

[(1, 1979968160), (2, 989984080), (4, 494992040), (5, 395993632), (8, 247496020), (10, 197996816), (16, 123748010), (20, 98998408), (32, 61874005), (40, 49499204), (80, 24749602), (160, 12374801), (1229, 1611040), (2458, 805520), (4916, 402760), (6145, 322208), (9832, 201380), (10069, 196640), (12290, 161104), (19664, 100690), (20138, 98320), (24580, 80552), (39328, 50345), (40276, 49160)]