87369980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{5347}}^1$

素因数の和:5418

約数の個数: 48

約数和(自身を含む): 197662080

約数和(自身を除く): 110292100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 3268, 4085, 5347, 8170, 10694, 16340, 21388, 26735, 53470, 101593, 106940, 203186, 229921, 406372, 459842, 507965, 919684, 1015930, 1149605, 2031860, 2299210, 4368499, 4598420, 8736998, 17473996, 21842495, 43684990, 87369980]

約数ペア:

[(1, 87369980), (2, 43684990), (4, 21842495), (5, 17473996), (10, 8736998), (19, 4598420), (20, 4368499), (38, 2299210), (43, 2031860), (76, 1149605), (86, 1015930), (95, 919684), (172, 507965), (190, 459842), (215, 406372), (380, 229921), (430, 203186), (817, 106940), (860, 101593), (1634, 53470), (3268, 26735), (4085, 21388), (5347, 16340), (8170, 10694)]