2080261075

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{479}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 2799820800

約数和(自身を除く): 719559725

約数列:

[1, 5, 19, 25, 41, 95, 205, 223, 475, 479, 779, 1025, 1115, 2395, 3895, 4237, 5575, 9101, 9143, 11975, 19475, 19639, 21185, 45505, 45715, 98195, 105925, 106817, 173717, 227525, 228575, 373141, 490975, 534085, 868585, 1865705, 2029523, 2670425, 4342925, 4379497, 9328525, 10147615, 21897485, 50738075, 83210443, 109487425, 416052215, 2080261075]

約数ペア:

[(1, 2080261075), (5, 416052215), (19, 109487425), (25, 83210443), (41, 50738075), (95, 21897485), (205, 10147615), (223, 9328525), (475, 4379497), (479, 4342925), (779, 2670425), (1025, 2029523), (1115, 1865705), (2395, 868585), (3895, 534085), (4237, 490975), (5575, 373141), (9101, 228575), (9143, 227525), (11975, 173717), (19475, 106817), (19639, 105925), (21185, 98195), (45505, 45715)]