804550293080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{2490251}}^1$

素因数の和:2490500

約数の個数: 64

約数和(自身を含む): 1863804206880

約数和(自身を除く): 1059253913800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 197, 205, 328, 394, 410, 788, 820, 985, 1576, 1640, 1970, 3940, 7880, 8077, 16154, 32308, 40385, 64616, 80770, 161540, 323080, 2490251, 4980502, 9961004, 12451255, 19922008, 24902510, 49805020, 99610040, 102100291, 204200582, 408401164, 490579447, 510501455, 816802328, 981158894, 1021002910, 1962317788, 2042005820, 2452897235, 3924635576, 4084011640, 4905794470, 9811588940, 19623177880, 20113757327, 40227514654, 80455029308, 100568786635, 160910058616, 201137573270, 402275146540, 804550293080]

約数ペア:

[(1, 804550293080), (2, 402275146540), (4, 201137573270), (5, 160910058616), (8, 100568786635), (10, 80455029308), (20, 40227514654), (40, 20113757327), (41, 19623177880), (82, 9811588940), (164, 4905794470), (197, 4084011640), (205, 3924635576), (328, 2452897235), (394, 2042005820), (410, 1962317788), (788, 1021002910), (820, 981158894), (985, 816802328), (1576, 510501455), (1640, 490579447), (1970, 408401164), (3940, 204200582), (7880, 102100291), (8077, 99610040), (16154, 49805020), (32308, 24902510), (40385, 19922008), (64616, 12451255), (80770, 9961004), (161540, 4980502), (323080, 2490251)]