2871569005220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{81439847}}^1$

素因数の和:81439940

約数の個数: 48

約数和(自身を含む): 6321035242368

約数和(自身を除く): 3449466237148

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1763, 3526, 7052, 8815, 17630, 35260, 81439847, 162879694, 325759388, 407199235, 814398470, 1628796940, 3339033727, 3501913421, 6678067454, 7003826842, 13356134908, 14007653684, 16695168635, 17509567105, 33390337270, 35019134210, 66780674540, 70038268420, 143578450261, 287156900522, 574313801044, 717892251305, 1435784502610, 2871569005220]

約数ペア:

[(1, 2871569005220), (2, 1435784502610), (4, 717892251305), (5, 574313801044), (10, 287156900522), (20, 143578450261), (41, 70038268420), (43, 66780674540), (82, 35019134210), (86, 33390337270), (164, 17509567105), (172, 16695168635), (205, 14007653684), (215, 13356134908), (410, 7003826842), (430, 6678067454), (820, 3501913421), (860, 3339033727), (1763, 1628796940), (3526, 814398470), (7052, 407199235), (8815, 325759388), (17630, 162879694), (35260, 81439847)]