1640228048

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{199}}^1\times {\mathrm{1427}}^1$

素因数の和:1672

約数の個数: 60

約数和(自身を含む): 3373221600

約数和(自身を除く): 1732993552

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 199, 304, 361, 398, 722, 796, 1427, 1444, 1592, 2854, 2888, 3184, 3781, 5708, 5776, 7562, 11416, 15124, 22832, 27113, 30248, 54226, 60496, 71839, 108452, 143678, 216904, 283973, 287356, 433808, 515147, 567946, 574712, 1030294, 1135892, 1149424, 2060588, 2271784, 4121176, 4543568, 5395487, 8242352, 10790974, 21581948, 43163896, 86327792, 102514253, 205028506, 410057012, 820114024, 1640228048]

約数ペア:

[(1, 1640228048), (2, 820114024), (4, 410057012), (8, 205028506), (16, 102514253), (19, 86327792), (38, 43163896), (76, 21581948), (152, 10790974), (199, 8242352), (304, 5395487), (361, 4543568), (398, 4121176), (722, 2271784), (796, 2060588), (1427, 1149424), (1444, 1135892), (1592, 1030294), (2854, 574712), (2888, 567946), (3184, 515147), (3781, 433808), (5708, 287356), (5776, 283973), (7562, 216904), (11416, 143678), (15124, 108452), (22832, 71839), (27113, 60496), (30248, 54226)]