808529020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{1039}}^1$

素因数の和:1175

約数の個数: 96

約数和(自身を含む): 1900604160

約数和(自身を除く): 1092075140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 73, 82, 130, 146, 164, 205, 260, 292, 365, 410, 533, 730, 820, 949, 1039, 1066, 1460, 1898, 2078, 2132, 2665, 2993, 3796, 4156, 4745, 5195, 5330, 5986, 9490, 10390, 10660, 11972, 13507, 14965, 18980, 20780, 27014, 29930, 38909, 42599, 54028, 59860, 67535, 75847, 77818, 85198, 135070, 151694, 155636, 170396, 194545, 212995, 270140, 303388, 379235, 389090, 425990, 553787, 758470, 778180, 851980, 986011, 1107574, 1516940, 1972022, 2215148, 2768935, 3109727, 3944044, 4930055, 5537870, 6219454, 9860110, 11075740, 12438908, 15548635, 19720220, 31097270, 40426451, 62194540, 80852902, 161705804, 202132255, 404264510, 808529020]

約数ペア:

[(1, 808529020), (2, 404264510), (4, 202132255), (5, 161705804), (10, 80852902), (13, 62194540), (20, 40426451), (26, 31097270), (41, 19720220), (52, 15548635), (65, 12438908), (73, 11075740), (82, 9860110), (130, 6219454), (146, 5537870), (164, 4930055), (205, 3944044), (260, 3109727), (292, 2768935), (365, 2215148), (410, 1972022), (533, 1516940), (730, 1107574), (820, 986011), (949, 851980), (1039, 778180), (1066, 758470), (1460, 553787), (1898, 425990), (2078, 389090), (2132, 379235), (2665, 303388), (2993, 270140), (3796, 212995), (4156, 194545), (4745, 170396), (5195, 155636), (5330, 151694), (5986, 135070), (9490, 85198), (10390, 77818), (10660, 75847), (11972, 67535), (13507, 59860), (14965, 54028), (18980, 42599), (20780, 38909), (27014, 29930)]