8031680

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1321}}^1$

素因数の和:1357

約数の個数: 56

約数和(自身を含む): 20147280

約数和(自身を除く): 12115600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1321, 1520, 2642, 3040, 5284, 6080, 6605, 10568, 13210, 21136, 25099, 26420, 42272, 50198, 52840, 84544, 100396, 105680, 125495, 200792, 211360, 250990, 401584, 422720, 501980, 803168, 1003960, 1606336, 2007920, 4015840, 8031680]

約数ペア:

[(1, 8031680), (2, 4015840), (4, 2007920), (5, 1606336), (8, 1003960), (10, 803168), (16, 501980), (19, 422720), (20, 401584), (32, 250990), (38, 211360), (40, 200792), (64, 125495), (76, 105680), (80, 100396), (95, 84544), (152, 52840), (160, 50198), (190, 42272), (304, 26420), (320, 25099), (380, 21136), (608, 13210), (760, 10568), (1216, 6605), (1321, 6080), (1520, 5284), (2642, 3040)]